Recreate Windows Licensing Store

Description:

(W7) If you have a valid copy of Window’s but you get this error, follow these steps to recreate the Licensing Store within Windows.

To Resolve:

1. Search => Command Prompt (As Administrator) =>

   net stop sppsvc
   cd C:\WINDOWS\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\SoftwareProtectionPlatform
   rename tokens.dat tokens.bar
   cd %windir%\system32
   net start sppsvc
   slui.exe
   

2. After a couple of seconds Windows Activation dialog will appear. You may be asked to re-activate and/or re-enter your product key or Activation may occur automatically.

3. If unsuccessful, try going here.