Posts Tagged ‘arabs’

Why Anti Virus Software, a Must Have for Every Pc?

Tuesday, February 16th, 2010

Increase your computer speed instantly!! Top 12 Ways to Speed Up Your Computer After a while, all computers start to slow down. The pop-ups start to invade your desktop. The programs take longer to load and the computer sounds like a freight train every time you start it up. Thankfully, there are a number of things you can do before calling in the repair man. Here are 12 of the top ways to speed up your computer. 1. Defragment your computer. The defrag tool can be found by going to the start menu, to programs, accessories, system tools and then clicking on the defragementation tool. It may take several hours to properly defrag a hard drive, especially if you haven’t done it in a while. However, the resulting gain in speed will be well worth it. Quick Note: For best performance, you should delete any unnecessary files before defragmenting your drives. 2. Add additional memory. Adding RAM to your system is one of the best ways to speed up your computer. 3. Clear your Internet cache for faster browsing speeds. 4. Delete your cookies. 5. Use keyboard shortcuts. 6. Empty your Temp Directory on a regular basis. The temp directory can quickly fill up with hundreds of temp files over time, which can slow things down immensely. To delete Temp files, you must first make sure that NO programs are open. If you are using windows 95, 98 or Me, go to C:WindowsTemp and delete everything inside the Temp folder. If you are using Windows 2000 or XP, the process is a bit trickier. First, you <b>…</b>

By definition, a virus is a computer program that is able to copy itself and infect other computers. The first one, according to Wikipedia, was seen almost half a century ago. The Creeper virus was detected in ARPANET, a predecessor of the World Wide Web. This code is compared to their virus dictionaries and if a match is found, the antivirus program attempts to clean the suspicious part, without damaging the original data. Another method of fighting viruses is to monitor computer activity, also known as heuristic analysis. It was using the modem connection to replicate on other PCs and when it achieved its goal, it displayed the following message IM THE CREEPER: CATCH ME IF YOU CAN. Anti virus software is another kind of computer programs that appeared because of the need to disinfect computers from viruses. Reaper was the first of its kind and its aim was the Creeper virus. You can visit Some people said that they might have shared the same creator, but this was never proved.

Since the first antivirus program, viruses and methods to fight them evolved rapidly. Most of the times, the next step in evolution is done by computer viruses and antivirus creators struggle to fight back and invent new ways to clean those pesky bugs. The common approach of antivirus software is to scan files, memory or registries from your computer and detect malicious code. This code is compared to their virus dictionaries and if a match is found, the antivirus program attempts to clean the suspicious part, without damaging the original data. Another method of fighting viruses is to monitor computer activity, also known as heuristic analysis. This includes monitoring memory and ports traffic for any signs of infection. A modern approach is the so called sandbox method. It involves running the suspicious file into a simulated operating system and analyzing the results. No matter the method, if a virus is found, the antivirus first attempts to disinfect the file. If its unsuccessful, or go to the infected file is quarantined (isolated from other programs) or in worst case, deleted.

Its very important to have a reliable antivirus program installed because there can be viruses on a file you download, inside an email attachment or even a website can include some malicious code to infect your PC. Some of the programs that are out there and can do the task are free, but most of them require payment. This code is compared to their virus dictionaries and if a match is found, the antivirus program attempts to clean the suspicious part, without damaging the original data. Reaper was the first of its kind and its aim was the Creeper virus. Another method of fighting viruses is to monitor computer activity, also known as heuristic analysis. Almost all include updates of their viruses database, to make sure your PC is protected to the newest threats. AVG AntiVirus Free, BitDefender Free, Comodo AntiVirus and PC Tools AntiVirus Free Edition are only a couple of the free antivirus programs available on the Internet.

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