Windows Security includes a feature called Memory Integrity (part of Core Isolation) that uses virtualization-based security (VBS). This directly conflicts with MSI App Player and triggers error 59300.
Alternative: Download and install the latest driver directly from the official NVIDIA, AMD, or Intel websites for a cleaner installation. 5. Adjust Graphics Engine Settings msi app player 59300 fix
Click under "Add an app" and find the executable path for MSI App Player (usually found under C:\Program Files\MSI App Player\HD-Player.exe ). Windows Security includes a feature called Memory Integrity
MSI App Player runs on Android virtualization. If Windows Hyper-V is enabled, it can conflict with the player's driver, causing initialization errors. If Windows Hyper-V is enabled, it can conflict
Check and select Windows 10 (or Windows 8 if you are on Windows 11 and facing severe crashes). Click Apply and then OK . 4. Switch the Graphics Renderer
in Windows Security → Device Security.