Is there a known incompatibility between Snagit Video Capture 11 and AMD HD 5800 series card? Even after a clean install of Windows 7 64 bit Snagit crashes after a few seconds and what is captured is without audio and Jerky. Keep it simple, I'm 73!
Not that we are aware of. Is your Windows 7 OS fully up to date via Windows Update? I would recommend ensure all available updates are installed.
What AMD driver version are you using? Here are two different versions to try:
Please ensure you fully uninstall the old driver before you install a new one.