Windows troubleshooting

The Print Spooler service terminated unexpectedly:
net stop spooler
del %systemroot%\system32\spool\printers\*.shd
del %systemroot%\system32\spool\printers\*.spl
net start spooler
https://it.ros-kit.ru/help/computers/kak-ochistit-ochered-pechati/

Fix DHCP service cannot start: error 5: Access Denied:
https://www.wintips.org/how-to-fix-dhcp-service-cannot-start-access-is-denied/

Windows Update Error 0x80070422 while installing standalone update .msi:
– windows update service not running. Start it manually before installing .msi.