Go through the steps at either of these links to see if it helps:Troubleshoot Adobe Flash Player installation for WindowsFix permission issues that prevent the Flash Player installationWARNING:
Since the above fix requires modifying the registry, create a System Restore Point first.
It causes my IE7 to shut down when I go to sites like MySpace
Not surprising there. MySpace is full of drive by malware, the majority of it being from those annoying ads. A safer approach (especially when it comes to MySpace) would be to use Firefox adding the Adblock Plus Extension. If, however, you decide that you would prefer to use IE, you should look into either IE7 Pro
, its free & contains an ad blocker, or Ad Muncher