If you ever encounter restart computer error message while performing SQL Server patching and you don’t have opportunity\permission to restart your machine.

You can bypass this situation by deleting value from PendingFileRenameOperations key.

Here are the steps which you need to follow –>

1. To Open Registry Editor. Click Start  ( win + R ) –> Run, input “regedit” and press Enter.
2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager, and delete any value in “PendingFileRenameOperations” key.