Hi,
I was informed about an update to GSX today, and I did update using the Live Updater (getting the same max. min., error message as mentioned elsewhere in this forum), but afterwards no sign of GSX activity at all in any of the few airports I tried subsequently which did have GSX activity before the update (EKCH, EDDF, ESSA, ENGM) - ctrl+F12 did not work either (no GSX menu). By the way the Live Updater cannot be used now after the update - just terminates immediately after start.
I then did a complete GSX uninstall (through Windows Settings->Apps), removed the FSDreamTeam registry entries, deleted the GSX Addons folder from disk and downloaded the installation files from your site.
After reboot and reinstall using these files, still no sign of GSX in any of the mentioned airports - all documentation have also disappeared and were apparently not reinstalled.
I also tried uinstalling and reinstalling P3D4 CLient and Contents - no better.
My system and simulator specs are:
Windows 10 64bit build 1903
Prepar3D_v4_Professional_4.5.12.30293
Preferred airplane FSLabs_A3XXX_P3D_v2.0.2.400
ChasePlane v1.0.40 Exp.
LINDA 3.0.9 v2
rgds
Søren