Helloo, I have the following problem please help me out..... in Windows Vista x 64 Software licensing service is not starting and due to this control panel is not displaying when double clicking on it. It is showing white screen for few seconds and the window is closing automatically. i have read some few articles and tried trouble rectifying methods but not successful in recovering it. As written in some articles When attempting to start the Slsvc, through the following method: (If you do nothave access to the Start button, follow these steps): 1) Click the option that launches an Internet Browser 2) A Browser will open, type: %windir%\system32 into the address field 3) Find the file cmd.exe 4) Right Click on the cmd.exe and select Run as Administrator 5) Type: net start slsvc It is displaying error code: 34 the wrong diskette in the drive. and when trying to start the Software licensing servivce in services which is in administartive tools which I'm able to access through windows explorer, it is diplaying the following Error 0xd000002: 0xd000002 I have tried the following a. SFC scannow ----- no errors b. windows malicious software removal kit windows-kb890830-x64-v4.4 but it also showed no result.... c. when i have tried the windows genuine advantage diadnostic tool it worked and showed the that product is genuine but it is displaying error that failed to create output files, hr = 0x80070002 please contact support. help me out ..........