tog.txt

Please first try recreating Licensing Store.

Recreate the Licensing Store
Go to Start > All Programs > Accessories
Right-Click on Command Prompt and select Run as Administrator - accept the UAC prompt
Run the following commands in the Command Prompt window, using the Enter key at the end of each

net stop sppsvc 
(wait until the service has stopped before entering the following lines)

CD %windir%\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\SoftwareProtectionPlatform
REN tokens.dat tokens.bar
net start sppsvc
slui.exe

After a couple of seconds the Windows Activation dialog will appear.
You may be asked to re-activate and/or re-enter your product key, or Activation may occur automatically.
If you are asked for your Key, use the one on the COA sticker on the machine's case

Reboot and Post back with a new MGADiag report.

(Note: the Line 'CD %win......\SoftwareProtectionPlatform' is all on one line - it may be broken in the Forum listing)