Disable Autorun to Prevent from Virus Infected

Steps:

- Start >> run >> type "regedit" wthout quotes
- and then go to subkey
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CDro
- at subkey , double click DWORD value named Autorun, and fill value 0
- restart your computer
- to turn on autorun you can change back autorun value to 1