Since many users search for the v004 repack simply to save large imagery, here is a using free tools:

Gimgunlock is a command-line utility designed to convert .bgl files into .dds (DirectDraw Surface) format. While its predecessor, imagetool , performed similar functions, it often struggled with large files and lacked batch processing capabilities. Gimgunlock was specifically engineered to overcome these limitations.

is a command-line tool designed to remove "lock" status from

When downloading a "repack" of this tool, it usually includes: gimgunlock.exe : The core engine. MapSigPatch