If you don't want to waste your time for personal computer viruses problem, below can help you fix personal computer viruses problem.
After driver un-installation, restart your computer, and plug the driver device on it. The computer will detect the device after start-up.
1.Click Start, type Device Manger and click on the first searching result.
2.Find and double-click the device category which you want to install the driver.
3.Right click the device and choose Update Driver Software.
4.Select Browse my computer for driver software on the new appeared window.
5. Click Let me pick from a list of device drivers on my computer
6. Install the driver that ends with "(Legacy)", click Next.
1.Click Start button, search regedit and click on the first search result.
2.Registry Editor window appears and find the registry file, for instance: avp**_post_uninstall.
3.Right-click the file, choose Delete option.