Windows 7 Activation Problem

[roki994]

My pc came with Windows 7 pre installed on it. I have been using it for 2 weeks and is showing me the message ,,Windows is not activated,, And yesterday it was writing that windows is activated. This problem showed today. Any ideas ??

 

[Bill2]

Download this tool and run it.

http://www.google.com/url?sa=t&source=web&cd=1&ved=0CBMQFjAA&url=http%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3Flinkid%3D52012&ei=NDV2TYzHDsHrrQe0tei_Cg&usg=AFQjCNH5Zcs6VID448dqfDkoyf9nzmkx7w

Click on the Copy button at the bottom of the tool, paste into notepad, save as .txt file, upload the file here.