I've had SP2 running on my Vista64 installation since its release on Windows Update (around Tue/Wed) and had no problems your describing, Simconnect hasn't come up with any problems.Adobe stuff works fine, been watching loads of flash videos on quite a few sites with no errors.Wonder if your installation of SP2 hasn't installed properly, just curious on how you installed it? was it a download via windows update? Stand alone install from MS site, or did you get it from a 3rd party site?