If your computer infected with autorun virus, you will get an open with wizard when you double click on a drive. you can manually delete the autorun.inf file using following steps
Microsoft released patch to prevent Autorun Virus
First you Restart your computer to safe mode !
Open command prompt ( Go to Start >> RUN and type CMD)
Go to the drive. ("cd e:" - use your drive letter )
Go to the root directory (cd \ )
then change the attributes of the autorun file
attrib -h -r -s autorun.inf
-h = remove Hidden property
-r = remove Read only property
-s = remove System file property
Now you delete the file
del -h -r -s autorun.inf
Only open that drive after the restart.
Thats it ....
Posted by Albin Sebastian September 4, 2009