Weird problem with my project!

Hello!

Well I'm making map making application to my projects (Mr.MapMaker 2.5). Now this is old project before I went into army. Now I'm back and started to make this project again and got problem.

When I try to run the application, my computer goes boom. It goes slow and needs to be rebooted. The thing is that I wont find any poblems in the code, so help please!

Here is the file:

http://www.easy-share.com/1909292611/Source.rar

Anyone?

Anyone know what causes this!