Windows Vista suddenly not genuine, after being genuine for 5 years !

I use a PC desktop since 2007 with a pre-installed Vista Home Premium 32 bits

Since 2 days I am getting a message that the Windows Vista installed on my PC is not genuine.

I have not installed any new software on my PC since more than 6 months ago.

I ran two virus scans with 2 different softare, no infections.

 

 

 

Question Info


Last updated March 13, 2019 Views 1,634 Applies to:

Hi,

 

Thank you for posting the question in Microsoft Community!

 

You get message as Vista installed is not genuine.

 

To assist you better, we need more information.

 

Is it the complete error message?

 

You may try to validate your computer at the site:

www.microsoft.com/genuine/validate/

 

If the issue persists, then I would suggest you to get assistance at the Microsoft support site for activation issues.

http://support.microsoft.com/gp/cu_sc_prodact_master

 

“For Windows related issue or anything related to Windows operating system” feel free to contact us.

 

 

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The exact message appears in the lower left corner and says: This copy of windows is not genuine.

Attempts to validate are not working. I get a message saying the validation service is unable to determine whether windows is genuine or not. The validation however recognizs the manufacture name the prodcuct key belongs to.

MS customer service have refused to assist, and referred me to the PC manufacturer for help.

The manufacturer refused to help because the PC is out of warranty.

What I find rather bizzare, is that this copy of Windows Vista was preinstalled on the PC, and had always been verfifed as genuine since 2007.

I have not installed any software since 07/2102 and have no virus or malware infections.

The only logic answer is that a MS update caused this.

I uninstalled a few recent updates, but I am still getting the error message.

thanks

 

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R.Mike Attempt this, it worked for me:

Please try the below steps to recreate the Store files. This may resolve the issue.

1) Open an Internet Browser window.
2) Type: %windir%\system32 into the browser address bar.
3) Find the file CMD.exe
4) Right-Click on CMD.exe and select 'Run as Administrator'
5) Type: net stop slsvc (it may ask you if you are sure, select yes)
6) Type: cd %windir%\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\SoftwareLicensing
7) Type: rename tokens.dat tokens.bar
8) Type: cd %windir%\system32
9) Type: net start slsvc
10) Type: cscript slmgr.vbs -rilc (It may take a long time for this to complete, please be patient)
Reboot TWICE

If necessary, then you may be required to enter the Product Key and/or Activate. (check again for a COA sticker!)

Reboot 

Let me know if this worked for you. If not, I will attempt to find another work-around. :)

If this does not work however, Microsoft does have another work-around that may work. Check it out here:

https://support.microsoft.com/kb/978305?wa=wsignin1.0

(you may have to copy and paste into your browser window)

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