Windows Activation Error Code: 0x8007000D
Hello, TechyV!
I recently had my OS upgraded to Windows 7 Professional, and at first everything worked fine. But then after some time I began getting error 0x8007000D. I called up the person who installed it and he suggested I put in the product key. He gave me a copy of the key but the error keeps popping back. Is there any way I can verify the product key without seeing the sticker itself?
Please help, thanks.
Windows Activation
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Code:
0x8007000D
Description:
The data is invalid.








