Cockpit Instrumentation Froze

[AVGA]

Hi,

4 hours into a 5 hour flight, during decent at 23,000 ft., all glass cockpit instruments froze -- speed, altitude, etc. -- and certain buttons stopped responding, along with all flight controls. Plane continued to fly, but proceeding was useless, so I was able to hit ESC to return to main menu. But the flight was ruined, also because when I restarted flight on the ground and hit autosave, I ended up back at cruise altitude, with a cold and dark aircraft plummeting to the ground. Followed by a "you crashed" MSFS loop.

Has anyone experienced frozen instruments since the last update? This is a whole new one for me, and nothing is logged in the Event Viewer. Any advice on how to properly activate an autosave would also be greatly appreciated.

Thank you.

Len