You can increase the virtual memory size by following the steps below. Sometimes insufficient memory causes the Nox player to stop working error but you can easily fix it by increasing virtual memory size. Step#8: Now click the Home icon and Select the Nova Launcher as your default App Launcher then you are Done. Step#7: Wait a few seconds until installation is completed. Step#6: Select the Nova Launcher app file then Click Open. Step#5: Now Open Nox Player (ignore the error for now). Step#4: Download the Nova Launcher App on your computer. Step#3: Tick the “ Block apps” under the Potentially unwanted app blocking. Step#2: Click Reputation-based protection settings. Step#1: Open Windows Security on your computer and navigate to the App and browser control. You need to follow the steps below in order to run Nox Player with a different launcher (i.e Nova Launcher). You need to run Nox Player with a different launcher and I recommend Nova Launcher because it works fine on almost all windows. Sometimes the latest update of your installed window either Windows 10 or other windows stops the Nox Player to work. Run Nox Player with Different Launcher App

Nox app player crashing