It is important to clarify from the outset:
Assassin’s Creed Mirage launched with Denuvo, and bypassing it took months. FitGirl’s repack (based on a cracked executable) became popular because it compresses the ~40 GB game down to ~18 GB. But the repack is split into ~50 parts (200–500 MB each). Users with unstable connections or limited bandwidth fixate on one failing part, imagining that swapping it for a “better” version from another source will solve their problem.
This guide explains how to properly install and fix errors for the Assassin's Creed Mirage assassins creed mirage fitgirl repackpart08 better
The download for that specific segment failed or the file was corrupted during the extraction process.
FitGirl Repack, consider these established solutions from the community: Verify Files there is no official or verified “FitGirl Repack”
Some file hosts limit the speed of specific parts, making Part 08 seem "stuck" compared to others.
: The new content typically becomes available once you reach the "Head of the Snake" mission in the main story. Optimized PC Settings for Stability But the repack is split into ~50 parts (200–500 MB each)
Assassin's Creed Just Got Biggest Update Ever... (AC Mirage Update)