I Chriserasmo, I have received your mail.
If you are using the latest release (v1.2.1308.15), the option is already present in the Settings :
Image may be NSFW.
Clik here to view.
Note that, if your Certificate is REALLY invalid, this option will not make it to work with your Wsus Server !
If you are using the latest release (v1.2.1308.15), the option is already present in the Settings :
Image may be NSFW.
Clik here to view.

Note that, if your Certificate is REALLY invalid, this option will not make it to work with your Wsus Server !