Delete game cache.
1 Start your PC in safe mode
- Click start
- Click power icon
- Press and hold left SHIFT key and click restart
- Select Troubleshoot > advanced options > startup settings > restart
- Select 4 - Enable safe mode
2 Click start and type
%localappdata%\D3DSCache
Press Enter
Delete all folders
3 Click start and type
%APPDATA%\..\LocalLow\Nvidia\PerDriverVersion\DXCache
Press enter
Delete all files
4 Go to
C:\Users\YourUserName\AppData\Local\AMD
In safe mode delete
- OglCache
- DxCache
- DX9Cache
- DxcCache
5 type
%localappdata%\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache\SceneryIndexes
Delete all files
Restart PC
6 Click “start” and type storage settings - press enter
7 Click temporary files > scroll down > check box DirectX Shader Cache
8 scroll up > click Remove Files
9 Restart PC.
10 Launch MSFS. Delete and turn off rolling cache.
Source https://forums.flightsimulator.com/t/stutterfest-with-world-update-17/650355/3?u=tenpatrol