ok where to find the older version? can only find the latest on the web..Your problems and I'm guessing here are probably related to hardware acceleration so 2 options, first is to revert back to an older release that worked or 2 delve into the registry to disable acceleration for the system and the cams and see if the current version will then start.
try reinstall your graphic card as well.. i did that alsoWell, it didn't fix it for me. Stalls at opening flash screen with "Creating Window".
also make shore you use the latest update of today 12.00try reinstall your graphic card as well.. i did that also