Windows 10 Fast startup (kernel and driver hibernation) when used prevents kernel updates from completing the installation.
Patch Management Solution 8.0 and Older would incorrectly detect a Fast startup as if a reboot had occurred.

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Windows 10 in fast startup (kernel and driver hibernation) mode does not complete the installation of kernel updates.
This only occurs, when the user performs a "Shut down" action. In this case Windows doesn't perform a complete reboot of the computer.
But the Patch solution 8.0 wrongly detects that a reboot has happened.

When the user chooses "Restart", then a full reboot and updates installation occurs. Then the problem does not appear.

1. Patch Management Solution 8.1 will correctly discover that a full reboot was performed, otherwise the update will stay in the ‘Restart pending’ state.
2. If the restart is performed by the Patch Management Solution, then the issue does not occur. Since a full restart is performed.
3. For older versions of Patch Management Solution (8.0 and older) we recommend using the "Default Software Update Plug-in Policy" for reboots or restarting the computer using the "Restart" option.
Following command also bypasses the Fast startup:
command: shutdown /s /t 0