Windows 7 not genuine Error (0x8004FE21)

Hi
We have a Lenovo ThinkCentre M70e that suddenly began warning that our Windows 7 32bit wasn't genuine.

I followed the following post

..and ran the batch, as admin user, to update the permissions and the last section produced errors

I ran sfc /scannow but it halted with error before actually scanning any files

The user stated that he ran Windows Update this morning but when I search for installed updates in the control panel the list is empty  

Testing the Windows using www.microsoft.com/genuine showed that it isn't recognized as genuine.

The following link was interesting but didn't help solve our situation:
bogus 'not genuine' reports

Any ideas ?

thanks
yann
Yann ShukorOwnerAsked:
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Muhammad MullaSystems AdministratorCommented:
What kind of environment is this in? In a corporate environment with a KMS setup it may just mean that the client needs to come on the network and contact the KMS server. It may also indicate that there are issues with the KMS setup.

https://technet.microsoft.com/en-gb/library/ee939272.aspx
Tony GiangrecoCommented:
I ran into the same problem on a laptop. I discovered it was infected which caused the Non-Genuine error to appear. we cleaned it with ten different utilities. The non-genuine error would go away for a day and come right back. Calling Microsoft was a waste of time. They connected, ran their own utilities but the fix only lasted a day or two.

Ultimately, I formatted the drive and performed a clean install. That worked perfect. It's been three months without any problems. If you experience this type of ongoing problem, a clean install may be your best solution.

Hope this information helps!
Joe PriorCommented:
Hi yann..

1). Open cmd (Run as administrator).
2). And then run the following command

slmgr - rearm

Open in new window


Hope it will work for you

Thanks
Joe
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Yann ShukorOwnerAuthor Commented:
Thanks for your responses
This PC is used to display prices in a remote agency
Remote reinstallation would be a little complicated to execute
I executed slmgr -rearm (but can't reboot right now)
Yann ShukorOwnerAuthor Commented:
rebooted, but no improvement, sorry
Joe PriorCommented:
Hi.

Have you executed the command successfully

Thanks
Joe
Joe PriorCommented:
If yes, then i think you should contact with Microsoft..

Hope your query will be resolved soon

Thanks
Joe
Yann ShukorOwnerAuthor Commented:
I finally decided to doubt the validity of the Windows product key
so I executed "slui.exe 4" and called the activation service
This confirmed that the key wasn't genuine

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Yann ShukorOwnerAuthor Commented:
non genuine product key
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