Windows 10 bug: If you have a device connected via cable to the USB Type-C input, you may have to wait another minute to turn off your computer – The bug exists in USB Type-C Connector System Software Interface (UCSI) software.
The new bug in Windows 10 is not a serious one, but it somewhat affects the usability of the computer and has not yet been fixed. Philip Froese, a Microsoft Tech Community employee, explains that the Windows 10 bug only affects version 1809 and causes the device to take longer to shut down if it is connected via cable to the USB-C-type input.
Furthermore, the bug only occurs if this cable is connected to the device, for example, you are charging your phone with USB-C, you will have a one-minute delay in shutting down your PC. This is because the software is busy handling another connection or disconnection, in this case, it is your phone.
Apart from the extra one minute, the sleep or shutdown process takes in this circumstance, this bug does not affect the 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. Philip explained.
Microsoft claims that the Windows 10 bug does not affect the usability of the computer or the operation of the USB-C port. However, it is another bug in the long list of bugs affecting Windows 10 since its 2018 update. The current bug also exists due to the October 2018 update.
This Windows 10 bug, for now, has not been fixed and there is no information on when the patch will be included in any future updates. However, since the Windows 10 version 1903 version does not seem to be affected by the same problem, the only and quick solution is to update your device from 1809 to 1903 version.