Forum Access issues - Edge v Chrome v Firefox

I and others are having access problems to the forum using Edge - does anybody know why?

It can work  and then 30 minutes later it doesnt ??

Definition of it not working
It lets me Login & displays my true Balance so I do know it recognises the Login but does not display my ID ie Stewpot
It also does not let me Post any comments 

If I revert to Chrome or Firefox it works
but the Firefox gives out a message
"To protect your security, identitysso.betfair.com will not allow Firefox to display the page if another site has embedded it. "
is this significant

It doesnt make any difference if I login direct to Community Betfair  or via Betfair exchange & the Forum link

Technical Guru help appreciated guys
I am not alone with this issue & suspect others have same but a Chrome issue