The Microsoft Memory Module Driver service is a kernel mode driver. If Microsoft Memory Module Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the PNPMEM service has failed to start.
2. Save the RestoreMicrosoftMemoryModuleDriverWindows10.bat file to any folder on your hard drive.
Note. Make sure that the pnpmem.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.