How To Fix Unarc.dll Returned An Error Code 14 | Tested & Working

The "unarc.dll returned an error code 14" error can be resolved by trying one or more of the solutions outlined in this paper. By reinstalling Inno Setup, replacing the unarc.dll file, checking disk space, verifying archive integrity, disabling conflicting software, or running the installation as administrator, you should be able to fix the error and complete the installation successfully. If the issue persists, consider seeking further assistance from the software developer or a system administrator.