Windows 10: Windows Sandbox failed to start. 0xffffffff

This is related to this April 2020 thread which was was locked without any responses to it https://answers.microsoft.com/en-us/windows/forum/all/windows-sandbox-failed-to-start-0xffffffff/b74a8cf9-f55d-4f66-bfd8-575b4604b738

Happening on Windows 10 2004 10.0.19041


Any way to fix this or is this a Microsoft bug?




:)

 

Windows Sandbox failed to start. (0xffffffff)

Win 10 version 1909 (OS Build: 18363.752)

Antivirus: McAfee Total Protection v16.0 (16.0.R24)

WSL Enabled

As the subject stated, I am unable to start sandbox with given error.

Windows Sandbox failed to start. (0xffffffff)

Error:





List of Updates as follow:

 

Windows Sandbox failed to start. (0x80070057)

Hi Arne,

I am Sumit, an Independent Advisor and a 2-Year Windows Insider MVP here to help.

Could be related.

https://docs.microsoft.com/en-us/windows/releas...

Windows Sandbox may fail to start with error code “0x80070002”

Windows Sandbox may fail to start with "ERROR_FILE_NOT_FOUND (0x80070002)" on devices in which the operating system language is changed during the update process when installing Windows 10, version 1903.

Affected platforms:

Client: Windows 10, version 1903

Next steps: We are working on a resolution and estimate a solution will be available in late June.

Back to top OS Build 18362.116

May 20, 2019

KB4505057 Acknowledged

Last updated:

May 24, 2019

04:20 PM PT

Opened:

May 24, 2019

04:20 PM PT

I would suggest you to wait until the next cumulative update.

 

Fix for Sandbox

Microsoft has acknowledged this issue now:

Windows Sandbox may fail to start with error code “0x80070002”Windows Sandbox may fail to start with "ERROR_FILE_NOT_FOUND (0x80070002)" on devices in which the operating system language is changed during the update process when installing Windows 10, version 1903.


Affected platforms:

• Client: Windows 10, version 1903

Next steps: We are working on a resolution and estimate a solution will be available in late June.