If the manager refuses to accept your file path, try creating a dummy folder structure. Move your game files or create a path that includes a folder named "steam" (e.g., .../Games/steam/Borderlands 2/ ). Many users find that simply having that string in the directory allows BLCMM to "validate" the file.
C:\Games\steam\steamapps\common\Borderlands 2\Binaries\Win32 If your path doesn't have it, create a new folder named , move your game files inside it, and try selecting the again in BLCMM. 2. Manual Detection for Epic Games Store (EGS)
: There is a known issue where BLCMM does not auto-detect the Epic Games version. If the manual selection still fails, users on Reddit suggest using OpenBLCMM , which is a more modern, cross-platform version of the tool that handles different game versions more effectively. Troubleshooting Checklist blcmm invalid file selected
Relaunch BLCMM and try selecting the executable again from this new path. 2. Manual Hex Editing (For Modern Updates)
BLCMM throws this error when the file you select does not match its strict internal verification criteria. The most common root causes include: If the manager refuses to accept your file
BLCMM often uses string detection to find your game. If your game is installed in a directory that doesn't contain the word "steam," the manager may fail to recognize the executable as a valid file.
By following these troubleshooting steps, you should be able to resolve the "invalid file selected" issue and successfully apply mods, including the popular Willow 2 SDK mods. If you'd like more specific help, let me know: Are you on or Epic Games ? Does this happen with all mods or just one? What is the exact folder path where your game is installed? If the manual selection still fails, users on
Ensure your file isn't accidentally named patch.blcm.txt or patch.txt.txt . If it is, right-click and rename it to remove the extra extension. 5. Re-apply the Hex Edit Manually