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Uninstall desktop mode
Choose Uninstall beside Open desktop, then confirm. The same action is available under Desktop → Files. Stop any running session and let other installs finish first.
Removal keeps Steam, games, added apps, settings, modified files and shared dependencies. It uses the pinned desktop file inventory and only removes matching files. Unknown desktop versions and missing runtime package ownership cause removal to fail before deleting files.
An interrupted desktop install also offers Uninstall. Successful removal clears that desktop installation's recovery record and cached download so the next guest launch cannot reinstall it through package recovery. If removal is interrupted, choose Uninstall again to retry. Open desktop installs the desktop again when needed.