Well It finally Happened... MSFS 1.39.9.0 Crashing

B

Browncoat

SOH-CM-2023
After years of reading posts about MSFS not working, or updates going sideways, it finally happened to me.

Every time today I have tried to launch MSFS20, it crashes. I've removed all of my add-ons, not dice. I've hand modified the User OPT config file to switch from DX11 to DX12, no dice. I'm running an RTX5070TI with Nvidia 591.44 drives. Any ideas what I can do? I appreciate the help.
 
I'm no help but that stinks and is so frustrating! Currently typing this while waiting for FS2020 to load..... And now I'm a bit nervous!
 
I’m not running 2020 anymore, but when I had something similar happen to me a number of versions back, I ended up just having to uninstall, reboot, and reinstall from scratch.

If your data files are in a custom location instead of the default, you can just point the installer back to that when you reinstall and save re-downloading most of the files. That makes the reinstall just the small base executable.
 
Thanks Danny. Uninstall and reinstall was on my list. It has been 5-6 years since I installed the game.

Once thing I am going to try is to hand edit the user config file to reflect the driver version that I am running. I think that the config file had 531.something or other. My hypothesis is that perhaps the game is crashing because the game is seeing a different GPU driver version.

I will report if that theory pans out.

Update:
Yeah... updating the GPU driver entry, and changing the adapter from 3070 Ti to 5070 Ti didn't work either. I guess the old CFS2 hacks are not reliable for these new fangled sims...

Odd thing is that I did get MSFS20 to start prior to this latest city update and after I had installed the 5070 ti. I wonder why the user config didn't update them...

Well, next up is uninstall and reinstall....

Update:
Well uninstall and reinstall didn’t work. On to rolling back drivers…

Update:
And rolling back the drivers to 577.0 worked! I recall seeing on the forums this the issue started with the 580.0 drivers.
 
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My MSFS also crashes sporadically with the 581 drivers, but only when I exit Dev mode. I just saw the 590 drivers have been released, will try that.
 
Have no issue with 5060ti (16GB VRAM) and drivers 595.71. haven't experienced any no start issues with any previous drivers (prior to the SU 16.1 fix released). Always ran DirectX 12.
 
I really don´t understand why folks changes their Drivers when the old one work´s ? ....... Maybe i´m just lucky , still on 581.32
 
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Almost all the recent no start/CTD issues with MSFS 2020 were do to running the sim in DirectX 11. That issue was resolved with the recent SU 16.1 release. Now running the 595.79 drivers and no issues.
 
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