I am using Web 8.5 with XPM installed.
It has two hotfixes:
Steps are as follows:
- Click on Switch Device
- Select a device other than desktop in device menu
- Click "apply"
The Stack Trace is this:
[AuthenticationException: The remote certificate is invalid according to the validation procedure.] System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception) +2290757