hang after lock and unlock the server pc

[bigheadghost]

hit win+l to lock the server pc (named S which is monitored), the browser on the client pc (named C) shows the lockscreen image of S , which is perfect.
then input password to unlock S
the program hang, the browser on C cannot access the webpage.

[EslaMx7]

Nice catch! I need to try to replicate it to see what's the root cause of this issue to fix it.
Thanks @bigheadghost for reporting such an interesting case.