W/L connection lost

Starting last night, my internet connections don't work.
When I open Network Connects it shows:

Broadand
"My ISP", disconnected, Firewalled - when you hit connect it comes back and
says "Error 68 the remote computer did not respond"

LAN/Highspeed
Wireless Network Connection &
Local Area Connection #2

both show limited or no connectivity, firewalled
when you hit repair, it comes back saying "Windows could not finish
repairing the problem because following action cannot be completed"
"Renewing your IP Address"

I called my ISP -they have no problems.

When I unhook the WAN cable from router and plug it directly into the modem,
I can then connect and it works perfectly.

Running WinXP SP2, a D-Link wireless router and card. Any help would be
appreciated.

Thanks, Bob