By switching to OpenBLCMM and following the steps above, you can eliminate the "BLCMM invalid file selected" error and get back to enjoying a fully modded experience in Borderlands 2 and The Pre-Sequel .
This error typically appears when attempting to open a .blcm file, a patch.txt file, or when BLCMM tries to locate the game's executable ( .exe ). It essentially means BLCMM doesn't recognize the file format, the file is corrupted, or the file path is invalid.
: Windows blocking the software from reading or writing to the game directory. Step-by-Step Solutions to Fix the Error 1. Verify You Are Selecting the Correct Executable ( .exe )
If you are trying to mod Borderlands 2 or Borderlands: The Pre-Sequel , you have likely encountered the Borderlands Mod Manager (BLCMM). It is the gold standard tool for managing hex edits and executing .txt or .blcm mod files.
typically occurs when the tool cannot verify the path to your game executable or when trying to use it with versions of the game it doesn't natively recognize (like the Epic Games Store version). Common Fixes for "Invalid File Selected" blcmm invalid file selected
BLCMM is designed to open .blcm (BLCMM project files) or .txt (raw patch files). It cannot open .zip , .rar , or .exe files directly as mods.
Remember: The Borderlands modding community is robust and helpful. If you still encounter issues after trying these steps, visit the or the Nexus Mods forums . Provide them with the exact file name, the size of the file, and your BLCMM version number as seen in the title bar.
Run the Multi-Tool, select your game, and let it safely hex-edit your launcher file to enable the developer console.
If you are still experiencing issues, the cause can usually be traced to a few technical factors. By switching to OpenBLCMM and following the steps
If you own the game via the , BLCMM will flag your .exe file as invalid.
The Hex Multitool is a separate utility designed to patch the game's .exe file, enabling the console and mod support. Many users find it more reliable than BLCMM's built-in tool.
Which are you using? (Steam or Epic Games Store?)
The error "invalid file selected" is a catch-all response. It means that the file you attempted to open does not match the expected schema, the file header is corrupted, or the file extension is misleading. In essence, BLCMM looked inside the file and found data it could not parse. : Windows blocking the software from reading or
"Invalid file selected" error in the Borderlands Community Mod Manager (BLCMM)
When saving, ensure the file extension is specifically .txt . Do not save it as .txt.txt . 2. Check File Encoding
BLCMM often requires the Borderlands game files to be located within a folder structure that includes the word "steam" to function correctly, even if you are not using the Steam version of the game.