If the issue persists after these steps, it is likely a permission issue. Ensure your Steam Library (and specifically the Borderlands game folder) is not located in Program Files (x86) , as Windows User Account Control (UAC) frequently blocks BLCMM from writing the necessary files, resulting in invalid file errors.
Behind him, Claptrap rolled into the room, his optic lens whirring. "Is something wrong, Minion? Did you accidentally download a virus that translates all your speech into interpretive dance? Because I have a patch for that!" blcmm invalid file selected
This happens when BLCMM expects a properly formatted mod file but finds something else — for example: If the issue persists after these steps, it
to hex-edit your game executable manually, then use BLCMM strictly to manage and save your mod files (like 3. Ensure You Are Selecting the Correct Executable "Is something wrong, Minion
: Check if the file is corrupted by trying to open it with its native application or another compatible viewer/editor.
Point BLCMM to the new path (e.g., .../Games/Borderlands 2/steam/Binaries/Win32/Borderlands2.exe ). 2. Use the Borderlands Hex Multitool