Red Alert 2 no cd f**k up!

Can some1 tell me how to fix this problem when using the cls-ra2 files. Put simply, after about 2 minutes of playing, all my team dies...wtf?!!? btw this didn't happen with the disk which is now broke so I need to know how to fix it.

Well? does any1 know what the problem with it is? I urge any1 that has an answer to reply with instructions on what to do or piont out where to find a fix.