This presents a significant problem, especially when decrypting previously encrypted files with EFS (Encrypting File System) feature. The problem is intricate in nature, with no solutions readily available, or the ones that are, don’t work. So, let’s find out all about the error.
What is error message 0x80071771?
The error message indicates the inability to decrypt a file. You can get Error 0x80071771 on USB as well as for files on the PC. Here are a few reasons you are getting the error:
Lack of permissions: In most cases, the absence of permissions to decrypt a file is the primary reason behind the IIS certificate The specified file could not be decrypted error. Missing certificate: If the files were encrypted on another computer, you would need to add the relevant certificates to open them. Otherwise, you will get The specified file could not be decrypted error with the DMG extractor.
What can I do if The specified file could not be decrypted?
1. Untick the encryption checkbox
This may have ended in an error previously, but trying it after a while or rebooting the PC may fix the error.
2. Manually obtain full file permissions
For some of you, obtaining full permissions for the encrypted file should help get rid of The specified file could not be decrypted error, and you should now be able to decrypt it effortlessly.
3. Use Command Prompt
Check whether you can access the files after running cipher /d when the specified file could not be decrypted. If not, there ain’t much you can do other than finding the PC where the file was encrypted, decrypting it there only, and then transferring it to your PC. Also, you could use reliable decryption software since these, too, have helped a lot of users. For any other queries or to share a solution not listed here, comment below.
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