Uh, I do own the game. How could one not own a copy of Monkey Island 3? How did you think I figured out the problem? Don't throw accusations around like that. Anyway, I was trying to encode into MP3 format everything that had previously been encoded in Vorbis format. I deleted the *.ogg files forget...

I discovered the reason.

That error occurs when you try to re-compress *.san files that have already been compressed.

Maybe the utility should detect such a condition and warn the user?

I'm using ScummVM Tools 0.11.0. I get the following error when running compress_scumm_san.exe: frame: 0 Assertion failed: tag == 'FRME', file compress_scumm_san.cpp, line 752 I noticed that this popped up a few years ago in another thread , but I found no solution there. Any ideas? T...

Why not just use the FOR command instead of putting together those long scripts? For example, your batch file could be: Contents of compress_san.bat : for /R "%1" %%f in (*.san) do compress_scumm_san.exe "%%~nf" "%1" compressed %2 %3 %4 %5 where the firs...