Extraction Failed Data Error ^new^ | Mo2

The "Data Error" component of the message usually indicates one of two things:

Running as admin fixes permission issues but can cause problems with Nexus Mods integration. Use this only as a test:

%LOCALAPPDATA%\ModOrganizer\cache\tmp %TEMP%\ModOrganizer_* mo2 extraction failed data error

[E] failed to extract "C:\ModOrganizer\downloads\huge_mod.7z" to "C:\ModOrganizer\mods\_temp": Data error

If you continue to have issues, the best long-term solution is to move your MO2 instance. The "Data Error" component of the message usually

Ironically, this issue can manifest both when long paths are disabled and when they are incorrectly enabled. MO2 works best with explicit handling.

If you also see:

Mod Organizer 2 creates a complex virtual folder structure. Sometimes, a mod has a very long name, or contains deeply nested folders, which results in a file path that exceeds Windows' default limit of 260 characters.