Vista Ultimate X64 lost connection

[acer09]

i was messing with the tcpip.sys to remove the limit and when i restarted i lost connection. the bad thing was i didnt make a copy the old tcpip.sys.

downloaded a couple off the internet but none of them have worked for me.

reseted winsock and also the tcp/ip protocol.

so any ideas on how to get it back i greatly appreciate it