3.11.09

What Is Adware?



by: Tim Henry
Adware is one of many "malwares" or malicious software programs that are unknowingly installed on your computer when you visit online sites and download freebies. When you use share files or visit sites with free downloads of wallpaper, videos, or music, some of these sites will send along adware software with your download. 
 
These malwares are a rapidly growing threat to all computer systems. It is estimated that in the first three months of 2005 over 80% of computer users had some type of malware software program running on their computer, without their knowledge. 
 
Although it is much less a threat to your computer and information than spyware is, what adware will do is cause pop up banners and advertisements to appear on your computer. These advertisements are displayed on your computer no matter what program you might be using. What the people who place this type of nuisance software on you computer say is that adware advertising helps them to recover costs and allows them to offer you those freebies you want. 
 
What you want to do to stop adware from appearing on your computer is to first run an anti-adware program. Run this program on demand regularly. Along with an anti-adware software program run your regular computer virus scan on demand also. 
 
Check the security level on your computer. You security level setting should be at least medium to help protect you from unwanted downloads. 
 
Do not download free files from the internet, period. When downloading any software read the end-user license agreement. Some of these agreements will state that when you download their software you are also agreeing to accept a downloaded spyware that may be placed on your computer at the same time. 
 
Be aware of threats to your computer, and your personal information. 
 
About the author:
This article courtesy of http://www.adware-eliminator-guide.net
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What are Rackmount Computers?



by: Max Bellamy
Rack mount computers are essentially computer servers. Computer servers are not the ones you play games on or send emails to your friends with. 
 
Servers perform a small number of specialized operations, some as little as a single operation, but they have the ability to perform it millions of times over and over again, quickly and flawlessly. And when one server is no longer adequate to handle the volume of transactions that a business may require, other, bigger, more powerful servers are needed. When the new servers arrive, they are networked into the system and to save space, are mounted on racks. 
 
When the business with the servers is a steel company, or an automobile manufacturer, industrial rack mount computers are the standard. Stored in rugged steel frames, stackable in standard 19-inch racks, industrial rack mount computers are used for database servers, web servers and networks. Furthermore they are also quite commonly used in laboratory and workshop environments. 
 
Linux is a special operating system that is basically a version of Unix, which has become the foundation of the Internet. When ISP’s like AOL and others came into existence, the amount of servers they needed to accommodate millions of customers eager to surf the web was staggering. 
 
In order to make space for that amount of computers, a special rack mounted unit was created to hold the Linux servers. Dubbed the Linux Rack mount Computer system, it became the choice for all of the new Internet businesses all over the world. Soon after, manufacturers of the Linux Rack mount Computer racks where inundated with orders and quickly fell behind schedule. 
 
It took a while for Intel to catch up with it’s rivals, but once they did, the Xeon Rack mount Computers quickly overtook everyone else in the field and became the gold standard among all of the rack mounted computers being installed. 
 
About the author:
Rack Mount Computers provides detailed information about rack mount computers, cases, monitors, and keyboards. Rack Mount Computers is the sister site of Refurbished Laptops Web.
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Use A Spyware Remover Now



by: Kenth Nasstrom
If you use the internet, “There is over 90% chance your computer is infected with spyware” - Source CNN. 
 
Just think about it. You probably have at least one, if not more computers in your home. Most computers today have internet access. And if you receive email from others and surf to a couple of sites can you be almost completely sure you have some kind of spyware installed in your computer. 
 
How dangerous are spyware? 
 
Let me give you a short list of things spyware can do,
• Spyware can run completely hidden on your computer
• It can slow down your computer a lot
• It can spy on you and send everything you type to someone else
• It can record everything you do, allowing someone to see it later
• It can spy on you and send account information, passwords, credit card numbers and similar to a third party
• It can “steal” files, pictures, videos and more from your computer 
 
Some spyware will do just a few things and others everything from the list above, and more. 
 
You must keep your computer clean from spyware or risk loosing personal information, financial information and even your private photos or family videos. 
 
Run a spyware scanner regularly to clean out any spyware that may have sneaked their way into your computer. Do note that antivirus software (even the most expensive ones) have problems to keep spyware out. So get a good anti spyware software and use it! 
 
No matter what the spyware's purpose really is, the bottom line is that at the very least it will cause you countless hours of problem solving and slow downs on your computer. 
 
Scan your PC now to make sure it is clean. If you find anything, avoid using any credit cards or visit your online bank until the PC is cleaned with a top anti spyware software. 
 
There are many different types of software that can harm, cripple or just reside quietly inside your computer. Beside virus, the most common types are Spyware, Adware, Malware, Trojans, Backdoors, Bots and Dialers. They all have different agendas but will to a degree change the way your computer function and how well it works. This beside the obvious threath the program itself impose. 
 
About the author:
Kenth Nasstrom, Learn more about Spyware removers and see our top three list at http://www.free-spyware-remover-reviews.com/
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Surplus Computers and Discount Computers Are New Computers!



by: Bonnie Archer
Surplus computer just means that manufacturer excess, overstock, and slightly obsolete inventories in HUGE quantities were purchased. What that means for you, our customer, is truly remarkable discount computer prices! These benefits and values of surplus computers were traditionally available to only large volume commercial buyers, dealers, and corporate level buyers. But now discount computers are also sold retail so you can get all the benefits too. 
 
The sellers of surplus computers and discount computers are committed to offering tremendous savings to you, the retail customer. Desktop PCs, laptops, notebooks, barebones, whole computer systems, computer accessories, everything in computers you can find in surplus and discount computers. 
 
Repackaged products are sometimes sold as surplus computers or discount computers but they are always evaluated, tested and quality assured, fully functional and repackaged for shipment. 
 
Also, sometimes sold as surplus computers or discount computers are open Box products which are retested, quality assured, fully functional and complete. The customer can expect original manufacturer packaging. 
 
About the author:
Thanks For Reading
Bonnie Archer http://www.A1-computers.net/surpluscomputers.html
Check out our Blog! http://a1-computers.blogspot.com
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Understanding the Components of a Home Network



by: Jeff Heaton
Home networks are becoming more common. People want to be able to share a single broadband Internet connection to several computers in the house. There are many different devices that you can use to make up your home network. If you have never heard network terminology device names like router, hub, etc may seem confusing. 
 
The purpose of most of these devices are to control how the network passes around information. This information is sent in the form of "packets". I will refer to the term packet several times in this article. It simply means the data that the network is transporting. I will now explain the purpose of the major components of a home network. 
 
What is a Hub
A hub is a device that has several Ethernet ports on the back of the device. One of these ports will likely be labeled “Uplink”. This port allows you to connect multiple hubs together, if you run out of ports on your hub. If you do not have an uplink port on your hub, the hub can not be easily extended if you run out of ports. 
 
A hub is a device that attaches multiple computers on an Ethernet network. If you have a number different computers that you want to connect together, you could connect each to the hub. Any packet that is sent out by any computer on the network will immediately be transmitted to the other computers. Each computer will determine if the packet was really intended for it, and filter out packets that were intended for other computers. 
 
You really should not use a hub in a modern home network. You should always use a switch in place of a hub. Switches will be discussed in the next section. 
 
What is a Switch 
 
A switch is a device that has several Ethernet ports on the back of the device. One of these ports will likely be labeled “Uplink”. This port allows you to connect multiple switches together, if you run out of ports on your switch. If you do not have an uplink port on your switch, the switch can not be easily extended if you run out of ports. 
 
A switch serves the same function as a hub. It allows you to connect multiple computers together, so that they can exchange packets. However, a switch is much more efficient than a hub. A switch will only send Ethernet packets to the computer that the packet was intended for. Because of this you should always use a switch in place of a hub. 
 
What is a Router 
 
A router is a device that has several Ethernet ports on the back of the device. One of the connectors will be labeled WAN. You should connect the WAN port to the Ethernet connection on a broadband source, such as a cable or DSL modem. The other ports on the router can be connected other computers or switches/hubs that will share the WAN connection. 
 
Routers allow you to share your broadband connection with multiple computers in your house. Rather than connecting your computer directly into your cable or DSL modem you connect the router to the cable or DSL modem. Now any computer that you connect to the router will have access to the Internet. 
 
If you run out of ports on your router you can always connect an additional switch to the router. To connect a switch to a router simply connect the switch’s "uplink" port to one of the routers Ethernet ports. Of course, don’t connect to the router’s WAN port. The WAN port should only be connected to something such as a cable or DSL router. 
 
Some routers come with additional features installed. Most routers also include a firewall. Firewalls are discussed in the next section. Some routers will also include a wireless access point (WAP). The WAP allows you to use wireless devices, such as wireless laptops, with the Internet. 
 
What is a Firewall 
 
A firewall controls traffic flow between your network and the Internet. A firewall can be either hardware or software. Windows XP SP2 or higher includes a software firewall. A hardware firewall is included with most routers. 
 
A firewall is a very good idea. It can protect you from inbound virus attempts. By inbound virus attempt I mean other computers that will connect to your computer and attempt to infect your computer. You do not want to run a computer directly connected to the Internet, without a firewall. There are just too many other computers out there that can connect and infect you without you even noticing. 
 
What is a Network Attached Storage (NAS) 
 
A network attached storage device is s device that allows a hard drive to be shared across the network. This hard drive is NOT attached to any of your computers. It is simply made available by the NAS. This can be a convent way to add a hard drive that can be accessed by several computers on your network. The other common way to add a network hard drive is to simply share a folder on one of your computers. However, with the NAS, you do not need to keep one of your computers on at all times. 
 
There are two types of NAS commonly available. The first type comes with a build in hard drive. The second accepts a USB or Firewire external hard drive. The advantage to using a USB or Firewire hard drive is that you can upgrade the hard drive if it ever were to become too small. 
 
What is a Print Server 
 
Just like you can buy a device to allow you to share a hard drive, you can do the same with a printer. A print server connects directly to your printer. Your printer is then shared to all of your computers on the network. This is convent because you do not need to leave the printer hooked to a computer, which must be turned on to print. 
 
Conclusions 
 
As you can see there are many different components. Perhaps the final component that I have yet to mention is the cable. These components are connected together with CAT5 Ethernet cable.
You are now ready to pick out the components for your home network! 
 
About the author:
Jeff Heaton ( http://www.jeffheaton.com) is author, consultant and college instructor. Jeff maintains the "Heaton Research"( http://www.heatonresearch.com) website that contains many Java tutorials and other computer programming information.
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Traditional Antivirus Programs Useless Against New Unidentified Viruses!



by: Jason Frovich
Most traditional antivirus programs rely on their database. Potentially hazardous files are matched against the database to see whether they are to be considered safe or not. Since a new virus can spread world wide within a few hours it can cause severe damage to your computer long before the manufacturer of the antivirus program identifies the virus and updates the database. 
 
You also need to go online to import the manufacturers' database to you antivirus program, which means that your computer will be online totally unprotected. The new Panda Titanium Active Scan Anti Virus 2005 however, contains TruPrevent Technologies: a new system designed to protect your computer against unknown viruses and intruders. 
 
Every now and then you can read about a new virus and the damage it causes. The millions of viruses cost companies each time they strike. It is however not only companies that are suffering from the damages caused by viruses. A virus can be just as damaging if not more for a private Internet user by destroying important documents, family pictures and everything else you keep on your computer. Therefore should no home computer be without a good virus protection software. 
 
This way you can protect your computer and yourself from losing data, corrupted hard drives and a number of other problems. There are several anti virus programs available of which some are free and some are not. You should however always remember that you might get what you paying for, meaning that the service and the updates might be better for the paid alternatives and thereby protect your computer better.

When using a virus program you should try to find one that is fast, reliable and able to discover as many viruses as possible. Whether it is fast or not might seem unimportant if you don't use your computer that much, but you will find that an anti virus program that scans your computer faster will be used more frequently and thereby giving you a better protection. 
 
If an anti virus program should be effective when protecting your computer it needs to be able to recognise all viruses, and since new viruses are constantly created this means that the database for the program has to be constantly updated. You should therefore consider how often the different anti virus programs update their databases when choosing which antivirus program to get. You should always make sure to keep your virus program up-to-date.

One of the best anti virus programs on the market today is Panda Active Scan Anti Virus Software Online which has an unrivalled capacity for detecting viruses and other threats online which is the most common path for viruses to reach our computer. Almost all viruses today are spread through the Internet. Panda Titanium Active Scan Anti Virus 2005 is easy to install and once it is installed it finds and remove viruses automatically. 
 
Panda Titanium Active Scan Anti Virus 2005 also automatically updates itself if you want it to. In other words: Panda Anti Virus is an anti virus program that manages itself and makes sure that it is up to date and able to keep your computer safe from viruses. Panda Titanium Active Scan Anti Virus 2005 scans your entire computer, including the program itself, to make sure that a virus can't infect any part of the computer. Panda Titanium Active Scan Anti Virus 2005 doesn't just search for virus, it also search your computer for a number of other security risks like spy wares and Trojans.

Panda Titanium Active Scan Anti Virus 2005 contains TruPrevent Technologies. TruPrevent Technologies is a system designed to help Panda Anti Virus protect your computer against unknown viruses and intruders. The user can choose whether they want to use TruPrevent Technologies or not. The technology has been implemented to allow Panda Anti Virus to protect your computer against new virus since a new virus can spread world wide within a few hours. The TruPrevent Technologies allows Panda Anti Virus to detect and block viruses even if they are not yet included in the virus database. 
 
This allows Panda Titanium Active Scan Anti Virus 2005 to keep your computer safe against all viruses and not only the ones that are already identified, since you might encounter a new virus despite the fact that Panda updates their database at least once a day. Old anti virus programs - and most of the modern anti virus programs as well - can only protect you against already identified viruses. The ability to protect against unknown viruses is what Panda Titanium Active Scan Anti Virus 2005 a superior choice for an anti virus program.

Panda Titanium Active Scan Anti Virus 2005 does not only offer superior security and very user friendly functionality. It also comes with tech support where experts answer any questions that might arise. 
 
All personal computers should have virus protection since you otherwise risk losing important document, family pictures etcetera and if you are looking for user friendliness and a superior security Panda Titanium Active Scan Anti Virus 2005 is your best choice. 
 
You can get panda antivirus at support cave. 
 
About the author:
Supportcave.com offers new and enhanced free Anti Virus Remover Software. Not only will these programs effectively check and clean your computer from Spyware, once installed they will also shield your computer from future Spyware intrusions and browser hijacks - before the malevolent software even have a chance to enter you PC! Anti Virus Remover Software is an important function all computer users should rely on to ensure their computer is free from nosey software and their privacy protected. http://www.supportcave.com/
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Top 10 Ways To Protect Yourself From Computer Viruses



by: Jim Faller
As more and more people are becoming comfortable using their computers at school, home or in the office it’s only a matter of time before they encounter a computer virus. Here are our top 10 steps to protect you from computer viruses. 
 
Use a high quality anti-virus program. There are many different anti-virus computers programs on the market some of them are better than others. Look to reputable computer magazines or websites for ratings to help you find the one that matches your needs. 
 
Always use your anti-virus software. Make sure your anti-virus software is always turned on and scanning, incoming and outgoing email messages, and any software programs you run. 
 
Keep your antivirus programs up to date. Most programs come with a yearly subscription make sure you take advantage of the updates. More advanced programs allow you to schedule updates or full system scans for “off hours” like 2AM when you aren’t likely to be using your computer. 
 
Keep your computer up to date. From time to time operating systems fall victim to security holes or issue updates. Make sure you check periodically to make sure you are running stable up to date versions of your software. 
 
Backup your data regularly. Most windows computer users keep their documents in the “My documents” folder. This makes it easy to back up all of your important documents. Make weekly or monthly copies to CD or USB drives. 
 
If you use floppy disks or USB drives on public computers like your school computer lab, Kinko’s, or even digital photo printing store make sure you scan them for viruses. Public computers are notorious for not being up to date and properly protected. 
 
Be wary of email attachments. Treat any email attachment as potentially dangerous. Never open attachments from people you weren’t expecting. Also be careful of attachments from people you know but weren’t expecting. Many computer viruses replicate themselves by reading the contacts from an infected computer. 
 
Use text email if possible. While HTML email is prettier and allows you more control over formatting it also can carry computer viruses. If you use text based email the only way to get a virus is by opening an attachment. 
 
Use downloaded freeware and shareware files or software with caution. Try to download them from popular reputable sources that scan the programs before they are uploaded. To make sure you are safe scan the program before you install it on your computer. 
 
Be wary of links in IM or instant messaging software. Don’t accept invitations from people you don’t know and never click a link from someone you don’t trust, they can easily redirect you to another website that will try to install a virus on your computer system.

About the author:
This article was written by Jim Faller of http://computers.6ln.coma website with information about viruses, spyware, adware, backups, data recovery and computer security.
© Computers.6ln.com, All Rights Reserved.
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Tips for Buying a First Computer



by: Guy Ames

The first question you need to ask yourself is why you need a computer and for what purpose you will use it: 
 
* Surfing the Internet
* Sending and receiving e-mail
* Word Processing
* Spreadsheet and Money management
* Listening and recording music
* Storing and manipulating images
* Playing games 
 
When you are certain that you really need a computer then you need to consider what computer to purchase. The most common type of computer is the PC. Fewer and fewer people these days use Macintoshes and while Apple still makes them they are used primarily for graphics work at the high end multimedia level. 
 
For home or office use you may be far better purchasing a desktop PC with pre-installed software. And PC prices are on the way down. Of course notebook computers are really great if you want to take advantage of the portability that they offer, although you really need to weigh this against the cost -- as laptops are still much more expensive than your average PC with the same functionality. 
 
You need to determine what capabilities you want your computer to have – the size of the hard drive, the memory and the types of cards – video and audio – that it comes with. 
 
For a standard home or basic office use you should be adequately served by 256Mb of RAM memory with a 80Gb hard drive for storage. 
 
Two other things to consider are that you will need a monitor and software.
For a monitor, try for a 17 inch so that you don’t have to squint to see what is on your screen. Flat panel displays are great for saving space too and the clarity of the displays now are quite impressive. 
 
Most computers will come installed with software. Find what software the PC will come with and work out if this is all you need. 
 
Basic word processing, spreadsheet and email/organizer software is adequate for most people and the ability to access the internet will require a modem installed as well. 
 
If you are worried about learning to use your computer, don't be. There are tutorials within Windows XP to help get you started, and "wizards" are easy to use, step by step programs built into Windows that will help you learn a lot too. 
 
Plus, once you get hooked up and online with your own computer, you will have access to millions of sites ready and willing to help you learn all about your new desktop PC, the software you have, and even learn how to do things you never imagined! 
 
Check out more of our articles on the parts of a computer to help you understand what computer components you need and what you don't before you buy! http://www.cheap-computers-guide.com/computer-components.html 
 
About the author:

Three Things You Can Do to Keep Your Computer Running at Maximum Performance



by: Larry Andrew
Although there are many things that can affect the performance of your computer, there are a few simply things you can do each month to help keep your computer running at maximum performance. This article will focus on two problems that impact the performance of your computer and will then explain what you can do about it. 
 
Problem #1: Computer Hard Disk Files
Your computer is always writing information to your hard disk, no matter what you do. Your computer attempts to keep all file information in the same location on your hard drive. As you add and delete files, blank spaces are left between your files. As you add new programs or files, your computer tries to use these blank spaces. 
 
Over time, this reading and writing of files can affect the way your computer performs. The files eventually become scattered in multiple locations on your hard disk rather than in the same location.

Your computer will still find the information. However, the more scattered the information becomes on your hard drive, the more accesses your computer has to make to find (and gather) the information. This requires your hard disk to work harder and do more reading/writing than is necessary. It will slow down your computer by as much as 200% and causes increased wear and tear on your hard drive. 
 
Problem #2: Spyware
If you use the Internet, at some point you will download a file or software program onto your computer. Sometimes you will know something is being downloaded to your computer. Other times you will have no idea. (Although this article will not talk about small files called “cookies”, you may want to look up information on this subject. Cookies are written onto your computer from the Internet.) 
 
Free computer programs (often referred to as Freeware) are a big hit on the Internet. Every day thousands of users download these “free programs”. Although there are some great freeware programs, these programs often have advertisements or tracking code associated with their use. The term “Spyware” refers to programs that gather information about your computer and (Internet) surfing habits without your knowledge. This information is then sold to a third party company as a means of generating revenue. 
 
The problem with Spyware is that it also impacts the performance of your computer. It can make your computer very sluggish and unresponsive. 
 
Three Steps to Improved Computer Performance
Now that we’ve discussed two problems that affect the performance of your computer, let’s discuss three things you can do to get your computer performance back to normal. You should do these three steps in the order presented. Ideally, you should repeat them about once a month or whenever you notice a change in your computer’s performance. 
 
Step #1: Delete Spyware
The first thing you should do is to delete spyware files or programs from your computer. To do this, you can use a free software program such as Ad-Aware SE Personal Edition from LavaSoft. To get the program, go to www.download.com and search for “Ad-Aware SE” (without the quotes). 
 
Select “Download Now” and follow the installation instructions. Once the program is installed, you can scan your computer for spyware files. Then, you can select and delete them from your computer.

Note #1: Always be sure to use the “Check for updates now” option to keep your program current.

Note #2: You need to be aware that when you delete spyware files, some of those “free” programs you downloaded may not continue to work correctly. If you have a program you’ve downloaded and want to continue to use, check very carefully what you select to delete from the “Scanning results” once the scan has been completed. 
 
Step #2: Clean up your Hard Disk
Once the spyware is removed, you need to clean up temporary and unwanted files from your hard disk. To do this on your windows PC, select the start option in the lower left hand corner of your computer screen. Then, select the program option. Under the program option, select “Accessories”. Under the “Accessories” option, select “System Tools”. From the System Tools option, select “Disk Cleanup”. 
 
Select the drive you want to clean from the pull-down menu and select OK. Usually, this is Drive C. If you have more than one hard drive, select one at a time. This program will then scan your computer for files that could be erased from your computer. You can safely erase all temporary and Recycle Bin files. You can also check the box of any other files you want the program to erase. 
 
Step #3: Defrag your Hard Disk
Once all the spyware and temporary files are removed, you need to defrag your hard disk. This process simply rewrites your computer files so they are no longer scattered all over your hard disk, but are written in the same location for quick sequential access. 
 
To defrag your hard disk on your windows PC, select the start option in the lower left hand corner of your computer screen. Then, select the program option. Under the program option, select “Accessories”. Under the “Accessories” option, select “System Tools”. From the System Tools option, select “Disk Defragmenter”. First, select the hard drive from your computer. Usually, this is Drive C. However, many computers have multiple hard drives. Select one at a time. 
 
You can select “Analyze” to have the program check out the hard drive and see if it needs to be defragged. The program will prompt you at the completion of its analysis. Use the defragment option as prompted. 
 
Note: If you’ve never used this option before, I would recommend that you select the defragment option. 
 
Once, you’ve completed these three steps, your computer and hard disk should be able to operate at maximum performance. Don’t forget to repeat these steps at least once a month or whenever you notice a change in your computer’s performance. 
 
About the author:
Larry Andrew is an educational consultant, author and publisher of www.ez-software-review.comLearn how to purchase cheap, reliable and quality software for your home, school and business.
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