Once patched, BLCMM will act purely as a mod manager and shouldn't prompt the "invalid file" error during the hexing phase. 2. Switch to OpenBLCMM
Subject: Error: "blcmm invalid file selected" blcmm invalid file selected
BLCMM includes built-in hex editing, but sometimes it fails, requiring a manual hex edit using the Hex MultiTool. Download Hex MultiTool. Once patched, BLCMM will act purely as a
Simply replace the old BLCMM.jar or .exe file with the new one. Summary Table: Troubleshooting "Invalid File Selected" Potential Cause Ensure you are opening .blcm or .txt , not .zip . No "steam" in folder path Move/Rename game folder to include ...\Steam\Borderlands2 . Corrupt Mod File Redownload the mod from a trusted source. Hex Edit Failed Use Hex MultiTool to manually patch the .exe . Outdated BLCMM Download the latest BLCMM version. Still Having Trouble? Download Hex MultiTool