Go to Settings > Privacy and security (left-hand menu) > Windows security and click Open Windows security. On some computers, you may also have to disable Memory Integrity.Run BlueStacks to see if the error message goes away. On the list, uncheck Hyper-V, Windows Hypervisor Platform, Windows Sandbox, Virtual Machine Platform, and Windows Subsystem for Linux. Open the Control Panel, click on Programs, and select Turn Windows features on or off. If you want to run a newer version of Android (Android 11 Beta), you will need to disable Hyper-V on your system.Go to the BlueStacks download page and scroll down to “Download a specific version.” Select either Pie 64-bit or Nougat 64-bit-these versions of BlueStacks 5 support Hyper-V. The first option is to use a different version of BlueStacks.
