You're looking for information on the "MSI App Player 5.9.300 Fix" feature. Here's what I found:
A clean installation can resolve persistent issues: Msi App Player 5.9.300 Fix
(Hyper-V, VirtualBox).
Temporarily disable your third-party antivirus software during installation, as antivirus heuristics can falsely flag the emulator engine installation. You're looking for information on the "MSI App Player 5
Strict antivirus software can block emulator files. Add the MSI App Player installation folder to your antivirus exclusion list. 3. Allocate Correct CPU and RAM Resources Msi App Player 5.9.300 Fix
MSI App Player requires hardware virtualization enabled in your system BIOS. If Virtualization is disabled, or if Windows Hyper-V conflicts with the emulator, the software will lag or fail to launch. Enable VT (Virtualization Technology) in BIOS