How To Fix Unarc.dll Returned An Error Code 14 Link

Temporarily disable all shields or uninstall briefly.

The System File Checker (SFC) scan is a built-in Windows tool that scans and replaces corrupted system files, including the unarc.dll file. Here's how to run an SFC scan: how to fix unarc.dll returned an error code 14

You can manually set CPU affinity.

This slows down installation but massively increases stability. Temporarily disable all shields or uninstall briefly