This method will help you protect your computer from internet temp. Virus.
Some computer virus, malware or spy ware will infect your computer by internet temporary.
Example; when you visit web site, internet explorer will download files and save into Internet Temp. Thus, if web site have virus your computer will be at risk!.
You must be enable empty internet file folder when browser is closed
Open Internet explorer > Tools > Internet option
Go to Advance page and Find Security section
Check Enable Empty Internet Temporally files folder when browser is closed