Windows 11 Sandbox does not open File Explorer after a Windows update

Anonymous

Hi all,

I have Windows 11 Pro with Sandbox enabled, it worked flawlessly. I didn't use it for a few months, and now the File Explorer inside the Sandbox is crashing.

If I open it from the start menu, or if I press the right button on the desktop or on a file or directory, it turns the screen black for a second or two, and then doesn't do anything (it probably crashes).

This behavior happens only inside the Sandbox (my system is working properly), and I didn't install or remove anything from the system, just did the proposed Windows updates (I now have version 10.2.22621 build 22621).

I can use the command line, and it appears that the file system is intact, I can create, read and write directories and files.

Sandbox is a limited environment, and everything I tried to understand what was going wrong failed. I tried several times to remove the sandbox and perform a clean installation, even manually deleting the image files, but that behavior didn't change.

Do you have any suggestion?

Thank you

Duccio

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Answer accepted by question author

Anonymous

It is ultimately just a workaround, but it works for me:
Create a text file that you rename to sandbox.wsb afterwards.
The content of the file must contain the following:

<Configuration>
<MappedFolders>
<MappedFolder>
<HostFolder>C:\Windows\SystemApps\Microsoft.WindowsAppRuntime.CBS_8wekyb3d8bbwe</HostFolder>
<SandboxFolder>C:\Windows\SystemApps\Microsoft.WindowsAppRuntime.CBS_8wekyb3d8bbwe</SandboxFolder>
<ReadOnly>true</ReadOnly>
</MappedFolder>
</MappedFolders>
</Configuration>

If I start the sandbox with this file, the Explorer also works.

Good luck

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50 additional answers

Gokul A 770 Reputation points Independent Advisor

2023-10-18T19:05:43+00:00

Thank you for your reply!

You don't have any corrupted files on your system. Ensure that your Windows is up to date with the latest updates. Go to Settings > Windows Update and click on "Check for updates" to make sure you have the latest version installed.
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Anonymous

2023-10-19T11:03:11+00:00

From your name I guess you're Italian like me, and we probably received the update on the same day (17/10), at least that's when everything stopped working for me😅.
I think that it's an issue with the new Explorer and Windows Sandbox, I fear we can only wait for a fix...

The new explorer address bar changed a lot of things (that's why I disabled it), and SandBox might have issues with the OneDrive integration or another of the new "features", for me it crashes even if I right click the desktop:
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Anonymous

2023-10-19T13:52:10+00:00
The system is up to date and there are no more updates to install:
```
Edition	Windows 11 Pro 

Version	22H2 

Installed on	‎01/‎06/‎2023 

OS build	22621.2428 

Experience	Windows Feature Experience Pack 1000.22674.1000.0
```
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Anonymous

2023-10-19T14:02:18+00:00

First of all, tell me immediately how to disabe the new explorer bar, I hate it!! :D

I also believe it was an update, but a older one. I started having problems a couple of weeks ago. Mine as well crashes if I right click the desktop.
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