Cannot decrypt file in Windows10 after reinstalling windows

[RockyRock1]

Hello,

I encrypted a few files on my computer that is running Windows10 Home.

I had to reinstall windows again, so I backed up these files and copied them to the reinstalled computer.

Now, i cannot decrypt them. All the files have a small picture of a yellow lock on them.


I get access denied when clicking on the file.

I get error: 0x80071771 when i try to take ownership on the file

I tried going through all the security protocols, adding myself, giving myself permissions

When I do, right click -> permissions -> advanced -> Details

I see my old username with a certain certificate number.

I cannot add myself here, it says: No certificate available; No certificate meet the application criteria; click ok to continue.

Likewise, I cannot remove the old certificate.


I am stuck.

Can you please assist?


Thank you,

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