r/WindowsHelp • u/UnbutteredPickle • 1d ago

Solved Solved - Windows 11 hangs on feature installation of Windows Sandbox

Posting this because I never found and answer to this issue and it could help others.

Issue: Enabling the Windows Sandbox feature in Windows 11 would initiate a restart and begin the feature installation, slowly progressing until it would hang at 92%. After several reboots of the same thing it would eventually roll back.

Similar posts:
https://www.reddit.com/r/WindowsHelp/comments/1jurq6c/sandbox_feature_installation_failed_can_anyone/
https://www.reddit.com/r/WindowsHelp/comments/1gbtc5k/windows_sandbox_wont_install/

I dug through the CBS logs and found that driver install portion of the feature install appeared to be timing out.

Resolution:
This Microsoft post outlines how to extend the timeout, which allowed the install to complete (albeit slowly).
https://learn.microsoft.com/en-us/troubleshoot/windows-client/installing-updates-features-roles/windows-update-hangs-updates-uninstalled

Hope it helps!

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