Windows 10: Activate windows error (0xc0020036)

hey guys I bought A product key for Windows 10 pro and It did activate windows but after 3 months or so i got "activate windows" message again i tried everything and then i just decided to just buy another product key when ever i try to change product key its gives me an error (0xc0020036) I searched everywhere i even contact microsoft support and it didnt help so i decided to buy another key i thought the issue is from my key and it's the same if anyone had the same issue please help me

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:)

 

Activate Windows - error code 0xC0020036

@ heleneh, Did you try this? How to Fix Windows 10 Activation Error 0xc0020036 - Appuals.com

 

Windows is not activated - Error 0xC004F012 / 0xc0020036

That something is really messed up....

This is what you should get:

 

Windows is not activated - Error 0xC004F012 / 0xc0020036

Hey all!

So basically, I turned on my PC yesterday as per usual and about half way through using it for the day I noticed a see through "Activate Windows" located on the bottom right, at first I thought maybe it was part of this Wallpaper I recently found online but then noticed it was actually my PC!

I've had Win10 for ages now, so It wasn't a recent activation, I'd say maybe around 2 years or so.

So I went to Settings and came across this.





Then when I clicked Troubleshoot I got this.






I tried doing some research online to see if I could fix it myself but found nothing specifically relevant.

The only thing I can think of that I might have done significantly on my PC is that I recently was changing Modems for my Internet Connection, but then reverted back to my previous one I had for years (because the new one was actually worse somehow), not sure if that will help in anyway.

Thank you! *Smile