Office can't install on selected updated channel
- Open the registry editor.
- Go through this path:
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Office\16.0\Common\OfficeUpdate
- Delete OfficeUpdate key
- Restart your computer (recommended)
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Office\16.0\Common\OfficeUpdate