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Borderlands Community Mod Manager (BLCMM) expects mod files in a specific format (XML-based .blcm or legacy .txt mods). If you select anything else – like a .sav , .exe , .zip , .dll , or a corrupted file – BLCMM shows this error.
Ensure the file ends in .txt or .patch . If it’s a .zip or .rar 0;42e;, you must extract it first. blcmm invalid file selected
is not present in the game's file path. If your game is installed in a custom directory, try creating a folder named "steam" within your game directory and moving the files there (e.g., Borderlands Community Mod Manager (BLCMM) expects mod files