I'm having an issue where my track bar area seems to be completely broken... I tried restarting the computer, and looked through the forum, but cant seem to find any solution to this problem. To better explain my issue, I posted a video.
As long as your key is valid for for your current installed version. The update is free. I'm confident this will resolve your problem.
Turning off GPU acceleration is less than ideal in most situations. It aids with smooth timeline playback while editing. Some GPU's can create problems. That's why the options there. "Primarily low quality GPU's" Interrogated into the motherboard on low powered/inexpensive laptops. But in general. That's a feature you want turned on.