FWIW, this happens for me too. Fairly infrequently (20% of the time?) when upgrading. Pretty sure it breaks the installer and I have to rerun the upgrade.

Look under the camera's settings on the PTZ/Control tab. If it's not a PTZ camera, you can either uncheck the "Enable PTZ and other controls..." box at the top, or if it is a PTZ (or if you want the PTZ options enabled anyway) you can change the drop-down in the Options section to "No...

If you have "High Definition" checked on the "Motion Sensor" dialog for the camera, the grid is finer in the "Edit" dialog for "Use zones and hot spot". Relevant excerpts from the help file: By default, to save CPU and smooth-out noise, the image is reduced by...

What kind of external trigger are you using? If your camera supports ONVIF you can trigger based on the ONVIF event from the camera. If the camera has physical alarm I/O, you can trigger on the alarm output using the Global DIO trigger. You could also use a variety of other methods to trigger via Gl...