If anyone is having problems with
BlueIris 4.0.0.x I can confirm that the following is what fixed my installation.
Step 1. Export the configuration via settings menu.
Step 2. Uninstall all traces of BlueIris answering yes to remove licensing and configuration data.
Step 3. Delete all directories associated to BlueIris and databases, etc. Under Program Files or wherever your data locations are set at.
Step 4. Reboot the computer
Step 5. Reinstall BlueIris latest version which currently is 4.0.0.13 & Register with your serial number.
Step 6. Import the configuration again.
Step 7. Quit and close blueiris and re-open.
These steps fixed all of my problems