Error message, screenshot:
Possible the follow can give you a hint, how to solve this:
I know they are many article about how to fix this by change browser configuration. But I think, that’s should be fixed by the change the configuration on server side… Thats better for lucky customer and reduce the support cost for gl… So a clear solution will make the gl share holder also more happy.
Sample of one how too for fix this on client side by user: