Can't sign in into my Microsoft account

When i was playing minecraft I found out it took forever to load into any of my world I tried everything but nothing worked so as a last resort I delated Minecraft and downloaded it again so when I went in to sign into my account it would take forever then say there is an error so I can't use the marketplace and go here to report the bug so please help me I don't know what to do i tried everything on YouTube nothing works please help me