In the news tab you should see the openspy news.
It is not shown in your recording, UT is trying to reach the old server:
In the game, open the console (~ key) and paste the following command and run it:
set IpDrv.MasterServerLink MasterServerList ((Address="utmaster.openspy.net",Port=28902))
and relaunch the game. This will update your game automatically.
https://ut2004serverlist.com/how-to-update-your-game/This will be changed in the UT2004.ini
[IpDrv.MasterServerLink]
LANPort=11777
LANServerPort=10777
MasterServerList=(Address="utmaster.openspy.net",Port=28902) <----- This is the new master server
Check:
You should see the servers in the internet tab
https://www.youtube.com/watch?v=n7tgHD1MzMEIf not I think there is a rights issue. (you can not write in the unreal directory)