Ensure your mod file ends in .txt or .blcm . If you downloaded a .zip , .rar , or .7z archive, use a program like WinRAR or 7-Zip to extract the actual text file inside before trying to open it in BLCMM. 3. The Executable is Read-Only or Lacks Permissions
are you trying to mod? ( Borderlands 2 or The Pre-Sequel ?)
Additionally, antivirus software (like Avast) has been known to interfere with BLCMM's operations, blocking it from writing or modifying files. Temporarily disable your antivirus while using BLCMM, or add BLCMM and your Borderlands game folder to the antivirus's exception list. blcmm invalid file selected
18;write_to_target_document1a;_mpjsaa-rLdKd1fIPhuqu4Q0_20;56; 0;600;0;3ec;
You must point BLCMM to the actual game binary, not the desktop shortcut or the Steam launcher. Path for BL2: Ensure your mod file ends in
Another common culprit behind the "Invalid file selected" error is using an outdated version of BLCMM. Borderlands modding is an evolving landscape; modders frequently update their codes to take advantage of new features or fixes implemented by the developers of the BLCMM software. If a user is running an older version of the manager, it may not have the necessary code libraries to read the syntax of a newer mod file. This is akin to trying to open a document written in a language one does not speak. To fix this, users should always ensure they are running the latest version of BLCMM. The software usually prompts the user to update upon launch, but if automatic updates are disabled, a manual check is required. Keeping the software current ensures compatibility with the latest mod structures and protects against "invalid file" errors caused by version mismatch.
In Windows File Explorer, click at the top menu and check the box for File name extensions . The Executable is Read-Only or Lacks Permissions are
The pathing needs to be precise for Epic.
Do select Launcher.exe . The manager cannot patch the launcher file. 2. Match the File Extensions for Mod Files
Windows User Account Control (UAC) can restrict modding tools from opening files inside the Program Files directory. Right-click on your or .jar executable. Select Run as Administrator .