NOT ANSWER but further information. (Reply on this button does not work!)
Clicking on the ! on the camera ID box in the PC app, the following warning is displayed:
“The device where the server and the current account login server is inconsistent, for viewing, need re – landing. Yes No”
Note: The PC, Mobile and Camera are ALL on same network, within same IP range and serviced by a single router, with the PC and camera on the wired network and the mobile on wireless.