Click Start , and then click Run .
In the Run box, type regedit , and then click OK .
Locate the following registry key:
HKEY_Current_User\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
In the right pane of the Registry Editor window, locate the NoDriveTypeAutoRun entry.
Edit the entry to display the following correct binary value in the Value data box:
NoDriveTypeAutoRun 0000 95 00 00 00
To do this, right-click NoDriveTypeAutoRun , and then click Modify . Under Valuedata , type 95 00 00 00 , and then click OK .
On the Registry menu, click Exit to quit Registry Editor.
Restart your computer.