no or bad challenge for address cod waw server

[Saltarello]

Hi everyone,
just downloaded after a few years cod waw from

i also downloaded 1.7 patch.
I played a bit on plutionium servers but i cant join gametracker servers.
"no or bad challenge for address" on your server or autokick problem in otherones....
any help?

[PDG]

You can try to join this server:
107.182.231.48:28960
PDG}#2 SKULLCRACK TDM|No HC|