Click Start->Run->type REGEDIT.EXE
- Go to this key from the register HKEY_CURRENT_USER\Software\ Microsoft\Windows\CurrentVersion\Policies\Explorer
- Look for the entry NoDriveTypeAutoRun, double click the entry
- Type a new value : 0FF (Hex) for the NoDriveTypeAutoRun, this will turn off the AutoRun for all drives, and press ENTER
- Reboot the system.