Ucrtbase.dll // need help / work offline but not online

[ITDreamFly]

Hello @mamiegrosbisous .

You seem to already have tried alot.
I don‘t have an answer for your specific problem, but the following things come to mind:

CTD during loading game even after clean install

UPDATE 2: I can now confirm it was a Steam save data corruption. My installation is fully working now after doing these several steps: Disable MSFS2020 Steam Cloud Backup Delete save data folder (C:\Program Files (x86)\Steam\userdata\ {steam user id}\1250410) Clear Steam Download Cache Relogin to Steam Recheck MSFS2020 Steam Cloud Backup is disabled Start the game I have to thank these two threads (which I think are caused by the same issue of this thread): EDIT: Fixed …