the browser based authentication dialog failed to complete. reason the protocol is not known

[Cobra77]

Hi,

for several days i ve this message when i want sign in :

Uninstall and reinstall , the same.

Security IE medium , the same.

An idea ? i can 't connect

thanks for your helps

[v-chuncz-msft]

@Cobra77 

You may check if Reset Internet Explorer settings helps.