How to Fix a Computer That Cycles During Startup. If one of your PCs fails to boot properly -- or is stuck in an endless boot cycle -- accessing Windows and your files may seem impossible.

In most cases, a factory reset should get rid of any viruses or malware on your computer. However it may not be effective for viruses like rootkits.

Virus scanners with the latest definitions database can detect known viruses that were designed to make files unreadable and may provide a fix depending on the type of virus.

If you are concerned that Avast antivirus might be slowing your computer or internet, try disabling these Avast settings and see if it helps.

MacFixIt reader Brian Morrison and several others are experiencing a processor overloading issue after attempting to install Intego's Virus Barrier X, where the system becomes totally unresponsive ...