MS Windows tricks and tips

Many of us are aware about the viruses that come in either .exe or .bat format but some can come and spread through .inf format which is present in removable hdd/cd/dvd/pendrives. So here's the trick that'll show you how to block it.
****Works in windows XP****
In XP explorer goto Tools->Folder Options->File Types-> Select INF from Extensions list and click Advanced Button.
Now Remove Install, Open Actions from Actions List. and Click OK. Reboot the PC.
THAT'S IT. Now you are protected by unwanted inf attacks