Trustport Antivirus USB/U3 Edition free for 6 months

If you worry about viruses or losing data when using your USB device (pen drive) on different computer, the best and easiest solution is using an USB Antivirus.
But there are no such a good, free USB antivirus is available, you need to pay to get a good one. Trustport Antivirus USB/U3 Edition is one of the best in this category and under a promotion you can get a full functional USB Antivirus free for 6 months.

Boost your system performance with O&O CleverCache 6 Professional (get it for free)

O&O CleverCache professional is a unique system utility that can boost your system performance by optimizing the file cache management for Windows Vista, 2000 and XP.

Preferred Filter Tweaker lets you use third party filters in Windows 7

Windows 7 uses its own DirectShow filters for decoding audio and video formats. You can’t use third party filters without making changes to the Registry.
Preferred Filter Tweaker for Windows 7 is a freeware tool that lets you use third party filters like ffdshow, CoreAVC, DivX , Cyberlink, etc with just a few mouse clicks. And of course the changes can be always undone.