Windows 10: Windows sandbox error 0x80070057

I have virtualization enabled in BIOS. The first time I enabled and restarted my PC the Windows Sandbox worked like a charm but the next day I get this error. Any help?

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:)

 

Windows Sandbox failed to start. Error 0x80070015 and 0x80070057.

I'm not sure if this issue was ever resolved for Alexis, but I'm having the same issue with error 0x80070057.

I pretty much gave up trying, but saw this thread and figured can't hurt to contribute some more info and maybe reach a solution.

Had the issue with 1903, updated to 1909, still the same problem.

I ran out of troubleshooting steps, and short of re-installing Windows I'm not sure where to go.

• Updated BIOS to most recent firmware.
  
• Disabled/Re-Enabled Intel Virtualization.
  
• All Windows Updates run and up to current (on 1909 now, build 18363.476).
• Virtualization and SLAT support confirmed (i7-7700K).
• Removed and reinstalled Hyper-V multiple times.
• Removed and reinstalled Windows Sandbox multiple times.
• Cleared C:\Windows\SoftwareDistribution folder.
• Ran Sandbox Configuration Manager
• Windows Display Language is English (United States)

I am not running any third party VM software of any sort.

Any thoughts?

 

Windows Sandbox failed to start. Error 0x80070015 and 0x80070057.

Hi,



Thank you for writing to Microsoft Community Forums.



I appreciate the efforts taken by you in resolving this issue. I understand that you get error: 0x80070015 and 0x80070057 when trying to use Windows Sandbox.



We had few users facing similar issue when trying to launch Windows Sandbox and after investigating on the issue, we found that third party Virtualization software were causing this issue. If you are using any third party virtualization software, I
would suggest you to uninstall the software and check if you are able to launch Windows Sandbox.



Let us know how it goes.



Regards,

Nikhar Khare

Microsoft Community - Moderator

 

Windows Sandbox failed to start. Error 0x80070015 and 0x80070057.

Hello Nikhar,

Thanks so much for your response.

I did have Virtualbox installed, but after uninstalling it the problem still persists. Also, I did ask a friend that uses third-party virtualization software to test Windows Sandbox and it works.