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How to Fix the Unarc.dll Returned an Error Code? In this section, the solutions to the unarc.dll error will be listed. Solution 1. Reinstall the Program. If you encounter the problem unarc.dll returned an error code when running a program. You can choose to reinstall the program. In general, to reinstall the program is able to fix this unarc ...
Try this if you have the latest Intel gen processors and run into these Unarc error codes: Set Power Plan in Windows to "Balanced". Edit Power Plan --> Advanced Power Plan Options --> Processor Power Management --> maximum processor state at "99%. Open Msconfig --> boot --> Advanced Options --> Set cores to 6 - 8.
Fix: ‘Unarc.dll returned an error code’ in Windows 10/11. By Saleha Rashid Published on December 5, 2022. The ‘ Unarc.dll returned an error ‘ in Windows usually triggers when the faulty Unarc.dll file is stored in your Windows. This error prevents you from installing games or apps.
Try manually downloading unarc.dll and copy it in System32 and SysWOW64 folder, also try and copy it in the downloaded game folder.
I'm trying to install a game on a fresh-ish install of Windows 10, but the install gets to about 50% before I get this error: Isdone.dll: "An error occured while unpacking: Does not match checksum! unarc.dll returned an error code: -12" and states that a data.pak failed a CRC check.
Are you facing issues like isdone.dll error and unarc.dll error while installing an app or a game? See how to fix the isdone.dll error in Windows.
If the ISDone.dll error is accompanied by Unarc.dll returned an error code -1, ERROR: archive data corrupted, see this fix. This may happen with game files.