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i recently tried to install Bluestacks on windows 10 pro (x64) and upon installation i am greeted by the "Bluestacks is unable to use hardware assisted virtualisation when hyper-v is enabled". Even though i have disabled "windows sandbox", "Windows hyper visor platform", "Virtual machine platform" and "Hyper-V", i also have Intel virtualisation technology enabled in the bios. i have also checked to make sure that core isolation is off in my device security settings but i keep on getting the same error. any ideas?

EDIT: my cpu is the i7-4790

BadGuyBen
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    I have gone to great efforts to outline specific instructions to determine if VT-x/AMD-V is enabled or disabled here. If you have an Intel process, please update your question, with the relevant information from the suggested tool. The only reason you would be getting this error is if another application was using the virtualization capabilities of your processor. In other words, there is no other explaination that is possible, there is some application installed that conflicts with BlueStacks. – Ramhound Oct 09 '19 at 20:45

2 Answers2

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After making sure the CPU Virtualization is enabled, best to uninstall Hyper V by

  1. Start > search and click Turn Windows features on or off,
  2. Uncheck Hyper V main node and click ok (will uninstall the hyper V feature)
  3. Restart PC
  4. cmd > systeminfo
    • if it says something like 'a hypervisor has been detected', bluestacks will still get the issue so run 'bcdedit /set hypervisorlaunchtype off' to disable hyper V completely
  • else, congrats bluestacks has no hyper V issues anymore

Took me like 2 hours of installing, uninstalling, reinstalling and googling trying to find out whats going on

Bahamut
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Here is what worked for me, in the order I tried. The last step I figured out on my own:

  1. Uninstall other hypervisors like VirtualBox

  2. Remove the following Windows features:

    • Hyper-V
    • Virtual Machine Platform
    • Windows Hypervisor Platform
    • (maybe) Windows Sandbox
    • (maybe) Windows Subsystem For Linux

  3. Disable Windows Security> Device Security> Core Isolation: Memory Integrity

  4. (Possibly unrelated to your scenario) Uninstalled Bluestacks 5 with this tool

  5. (What finally worked) Disable Microsoft Defender Device & Credential Guard and all other virtualization-based security features: There are a number of sketchy tutorials but I used this script

    ...with these parameters: DG_Readiness_Tool_v3.6.ps1 -Disable -AutoReboot

Note, you are disabling security features and all that implies.

human_rosas
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MauledByJesus
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