Since the old masterserver is down, you need to add the new one to get the 1.0 server list.
Right click on "AssaultCube" in the game list and click "Add a new master ..." and then then fill in as following:
Click "Add", then right-click on the new master server in the game list and click "Update from master".
Thanks to WahnFred!
Right click on "AssaultCube" in the game list and click "Add a new master ..." and then then fill in as following:
[SELECT ALL] Code:
Type: HTTP
Address: ms.woop.us
Path: retrieve.do?item=list
Port: 80
Thanks to WahnFred!