Publish P60

I have uploaded my P60's and ready to publish them. I login to publish P60 but get a message Hmmm.. cant reach this page.  My internet connection is ok and I am using Internet explorer ok.  I have noticed that a Microsoft edge icon comes up which I haven't noticed before?  I've tried online chat but although I got a message to say I was connected to an operator I got no reply to my message.  I have tried ringing support but get a message to say lines busy try later.  I need help!!!!