How To Fix Unarc Dll Returned An Error Code 1 !!install!! Here
to a higher value like 35,000 MB (35 GB) or double your physical RAM. 2. Disable Antivirus and Real-Time Protection
In rare cases, the unarc.dll bundled with the installer is corrupted or incompatible. You can replace it. how to fix unarc dll returned an error code 1