Cazer_ Is there a solution that doesn't require uninstalling voice meeter

No matter what I do (uninstall my antivirus, restart pc, reset network settings, reinstall plutonium, reinstall black ops II) I consistently get this error. I have no clue what to do to fix this. Please help

Resxt

I use avast secure antivirus

Resxt sadly that didn't fix the issue. Do you have any other fixes that I could try?

hindercanrun how would I let it into the fire wall?

Every time I connect to plutonium I get this error can someone tell me how to fix this issue.