: Windows User Account Control (UAC) can block MO2 from writing files if it is installed in a protected directory like C:\Program Files : Move your MO2 installation to a dedicated folder like C:\Modding\MO2
Follow these steps in order to resolve the extraction failure. mo2 extraction failed data error exclusive
The archive you downloaded might be incomplete or corrupted. : Windows User Account Control (UAC) can block
This usually appears when MO2 tries to unpack a downloaded mod archive (e.g., .7z , .rar , .zip ) and fails. The phrase “data error exclusive” often points to a file that is in a way that prevents MO2’s internal unpacker (7-Zip-based) from reading it correctly. The phrase “data error exclusive” often points to
As a last resort, a fresh installation of MO2 can reset broken registry hooks and file associations.
| Step | Action | Success Rate (User Anecdotal) | |------|--------|-------------------------------| | 1 | temporarily, then retry extraction | ★★★★☆ (80%) | | 2 | Run MO2 as administrator (fixes low-level file lock issues) | ★★★☆☆ (60%) | | 3 | Clear MO2’s download cache & temp – delete .../Mod Organizer 2/tmp and .../downloads/meta | ★★★☆☆ (50%) | | 4 | Extract the mod manually (using 7-Zip) into the mods folder, then refresh MO2 | ★★★★★ (95% – works around the error entirely) | | 5 | Move MO2 instance to a local SSD (C:\Modding\MO2) – no OneDrive, no external drive | ★★★★☆ (70% after move) |