Please Help Me With This Error

I've Installed vc , but the problem is it isn't working ... here's my logfile of vc ..
2009-08-08 17:52:46,198 23529 - - SCHEDULE_ERR - Error while querying RPC server
rpc server is running as far as i know ... & the nmap localhost shows this
PORT STATE SERVICE
22/tcp open ssh
53/tcp open domain
69/tcp filtered tftp
80/tcp open http
111/tcp open rpcbind
135/tcp filtered msrpc
137/tcp filtered netbios-ns
138/tcp filtered netbios-dgm
139/tcp filtered netbios-ssn
153/tcp filtered sgmp
445/tcp filtered microsoft-ds
4444/tcp filtered krb524
5060/tcp filtered sip
9100/tcp open jetdirect
10000/tcp open snet-sensor-mgmt