Microsoft Issues the Fix for Windows 10 1809 Shutdown Delay Bug (Upgrading to Version 1903 Required)
Windows 10 users reported another bug in the October 2018 Update (version 1809) that caused a delay in shutdown. Microsoft said that the bug was in the USB Type-C Connector System Software Interface (UCSI) software implementation in version 1809. The company has updated that the issue has now been resolved through the latest build of Windows 10 1903.
The bug "can cause a 60 second delay in the system sleep or shutdown process if the power-down happens while the UCSI software is busy handling a new connect or disconnect event on a USB Type-C port," Microsoft writes.
"Apart from the extra one minute the sleep or shutdown process takes in this circumstance, this bug does not affect normal functionality of USB Type-C on your machine. The system and the USB Type-C ports should continue to function properly after the next wake or restart of the system."
While the fix for the shutdown bug is here, it looks like you will have to update to the latest May 2019 Update to have this issue addressed. "This is resolved in Windows 10 version 1903, please update to the latest released build if you are impacted by this bug," Microsoft said in the updated notes.
The issue described only affects Windows 10 version 1809 (17763) and is fixed in 1903.
The company hasn't said if or when the Windows 10 October 2018 Update users would get the fix. In the meantime, if you don't want to upgrade, you can unplug the Type-C controller before shutting the machine down to avoid this problem.
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