DawnTreader

how do I check the compatibility modes?

So I just downloaded and installed red alert this week (was so excited to see it), and it lets me play skirmishes, no problem. However, when I go to play offline (where the campaigns are found I'm assuming, it doesn't load, and my computer gives me a message saying "main executable for Red Alert has stopped working", and only gives me an option to close the program. I'm running this on an older laptop of mine, windows 7, but it gives me no problems playing skirmishes. What can I do?