How to fix error 0x80071771 "the specified file could not be decrypted"?

[Mujtabaa Masood Khan]

Hello. I have some files within a folder on my hard drive, which I initially encrypted with bitlocker using windows 11. After some time I reinstalled windows 10 due to performance issues. Now, whenever I try to decrypt the files in that folder, I get this error message, as mentioned in the title, constantly. Some of the files get decrypted, while others don't at all . All other files in my drive are decryped but I am having issue with a specific folder and files within it.I have tried decrypt by Properties>general>Advanced> unchecking encrypt files as well as installing certificate. I

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