Change the SPECOPS.REG file so the movieDIR is pointing to the SpecOps directory and execute it (make sure to use double slashes in the path, for example C:\\Zombie\\SpecOps)
Use a HexEditor (like HEdit) and edit the SpecOps executable(s) (ie. specOPENGL.exe or spec3DFX.exe)
Find
:
83 C4 0C 81 FD B8 B5 F4 00 74
Change to
:
83 C4 0C 81 FD B8 B5 F4 00 EB
If the Game appears to hang check if the registry entry
HKEY_LOCAL_MACHINE\Software\Zombie\SpecOps\info\movieDir
is pointing to the SpecOps directory and check if the Level1.avi
file is in SpecOps directory.