C:\Program Files\WindowsApps\ (within specific game or Xbox app folders).
If the DLL is part of a wider system failure, the built-in Windows repair tool can help. Open the as an administrator. Type sfc /scannow and press Enter. xplatcppwindows.dll
If the error occurs only when launching a specific title like Microsoft Flight Simulator , the game’s local files may be corrupted. Uninstall the game via the Xbox App or Steam . xplatcppwindows.dll
The installation directory of games like Microsoft Flight Simulator. Common Error Messages xplatcppwindows.dll