Google+ Hangouts issue/error

No video shown most of the time I click settings says loading device (for all 3 devices cam, mic, ears).
Cam software / drivers upto date and work via skype and logitech software.
I either get
The video call ended because of an error
Please try again in a few moments.
or
One similar stating to check firewall.
PC firewall off router with port forwarding.
Works on phone via wifi.
Doesn't on desktop via firefox, cyberfox or chrome.
Went to try via jitsi but it doesn't want to accept my login credentials for talk / hangout idk