First patch to 1.24a. (you're using the English expansion version, right?)
Then, I want you to go to the link below, download all the files, then place them in the correct location. This should fix any corruption issues. (all but (6)BomberCommand.w3x will be in the main folder)
Finally, use this to patch to 1.24b:
If there are still issues, let me know. I suspect this won't be enough to fix it.