Isdone.dll Error Unarc.dll Error-12 Does Not Match Checksum -

sfc /scannow

DISM /Online /Cleanup-Image /RestoreHealth isdone.dll error unarc.dll error-12 does not match checksum

Because there are multiple triggers for this error, follow this sequence of fixes ranging from the most common to the most advanced. 1. The Quickest Fixes (Do these first) Rehash/Verify Your Torrent: -14 all have different causes).

Antivirus software or Windows Defender might "kill" a component of the installer halfway through, thinking it's a threat. isdone.dll error unarc.dll error-12 does not match checksum

Let me know in the comments (error -1, -6, -14 all have different causes).