Serv-U + SP2..Parou...o q fazer???

Pessoal..usava o Serv-U FTP Server no meu PC com o SP1...e funcionava lindo...com o SP2 ele parou...abri um furo no firewall do windows(é o unico presente no pc...) pra porta 2121 q é a q eu uso no Serv-U pros outros PCs acessarem meu pc...

O erro q ta dando q nunca dava com o SP1 é o seguinte:

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WINSOCK.DLL: WinSock 2.0
WS_FTP Pro, Version 8.0, 2003.05.23
Finding Host coffeecup.serveftp.net ...
Connecting to 201.1.171.107:2121
Connected to 201.1.171.107:2121 in 0.093750 seconds, Waiting for Server Response
220 Serv-U FTP Server v5.0 for WinSock ready...
Host type (1): Serv-U
USER DM@coffee
331 User name okay, need password.
PASS (hidden)
230-Welcome Mr. Dimitri, enjoy my FTP server.
230 User logged in, proceed.
Host type (I): Serv-U
Sending "FEAT" command to determine what features this server supports.
FEAT
211-Extension supported
CLNT
MDTM
MDTM YYYYMMDDHHMMSS[+-TZ];filename
SIZE
SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
REST STREAM
XCRC filename;start;end
211 End
Finished interpreting "FEAT" response.
Sending the FEAT command is optional. You can disable it in the site options of the profile.
PWD
257 "/d:" is current directory.
CWD /d:
250 Directory changed to /d:
PWD
257 "/d:" is current directory.
TYPE A
200 Type set to A.
PASV
227 Entering Passive Mode (201,1,171,107,4,65)
connecting data channel to 201.1.171.107:4,65(1089)
PORT 10,50,2,18,4,216
530 Only client IP address allowed for PORT command.
Port failed 530 Only client IP address allowed for PORT command.

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desde já eu agradeço!!! valeu!!!