Nothing in your log shows GSX had any problem or it made the sim crashing.
Instead, it show exactly the opposite: your simulator crashed for other reasons, and GSX just detected that fact, and was even able to log the event normally so, GSX didn't not crash, it exited cleanly after it saw the simulator crashed.
Two things I noticed in your video:
- SODE is outdated. You have 1.6.7, latest version is 1.7.0 so, first update SODE to the current version from its official site:
https://sode.12bpilot.ch/- You haven't followed the instructions in the red message you got at start from GSX, asking to use the GSX Control Panel to disable default jetways. This is required each time you update the simulator, most likely happened in your case because you repaired P3D.
- Reparing the sim is entirely useless if you don't clean your settings. To clean the simulator settings, you must remove all the following folders:
%APPDATA%\Lockheed Martin\Prepar3D V4
%LOCALAPPDATA%\Lockheed Martin\Prepar3D V4
%PROGRAMDATA%\Lockheed Martin\Prepar3D V4