If successful, you’ll see a confirmation dialog. If you receive an error that the entry point DllRegisterServer was not found, this DLL is not registerable, and the step is irrelevant.
If you are seeing "file not found" or "contains an error" messages, follow these steps in order:
:
Right-click the button and select Terminal (Admin) or Command Prompt (Admin) . Type sfc /scannow and press Enter . Restart your computer after the process completes. Update Windows Go to Settings > Windows Update . Click Check for updates and install any pending items. Reinstall Microsoft Visual C++ Redistributables
Scroll down, click , wait for completion, and then click Reset . Repeat this exact process for the Gaming Services app. 2. Force-Update via Microsoft Store & Re-Authenticate xplatcppwindows.dll
"The code execution cannot proceed because xplatcppwindows.dll was not found" Crashes to Desktop (CTD)
: Ensure your system is fully up to date by checking Settings > Update & Security > Windows Update . If successful, you’ll see a confirmation dialog
xplatcppwindows.dll likely relies on the Visual C++ runtime, a common cause of "missing DLL" errors. Here is how to repair it: