Many antivirus in the world, there is free and there is also a need to pay and there is also a pirated antivirus. All antivirus products have certain advantages and shortages, starting from the large consumption of memory or need a large hard disk space.
Every day, every computer in the world has a risk of virus infection. If the computer is infected with the virus, you work will be hung, even if only a simple viral infection. And if you often open the underground site, you should protect your computer with antivirus software.
Freevirusprotection.org provides free virus protection with Google Pack. you can download Norton Security Scan here. Google pack is a software package that contains useful freeware software that is presented by Google. In addition to getting anti-virus, you can also get free software, such as the very cool Google Chrome, Google Desktop, Google Earth, Picasa, Adobe Reader and Norton Security Scan. And all of that can be done with just one download.
So, if you will be aware of the dangers of computer viruses, you should protect your computer with antivirus, and also to get it very easily, you can visit freevirusprotection.org and download the free antivirus there.
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If your system running slow, and space on your hard drive almost full, you can try to use CCleaner. CCleaner is a freeware utility to optimize your system with cleaning your files while not useful again.
Recuva (the meaning is “recover”) is a freeware utility for windows system, to restoring the files while deleting purposeless. The utility can fixing files while empty on recycle bin. You can fix image files, mp3 files, and etc. you can also fixed the files on digital camera memory, mp3 player, and any removable storage. Recuva can also repairing files that have been erased because a virus, bug, or system crashes.
When working in the office, of course you often receive files with the .zip extension, and you certainly know WinRar or WinZip. Second application is used to open the archives files with the .zip extension.
You would often use the zip archives to minimize the size of the file, so do not eat a lot of space. Sometimes zip file that we receive or download from the Internet can not be opened with both, even damaged total.