Try http://192.168.0.1 - you don't enter www. in front of an IP. Check that this is actually your routers IP address by doing Start > Run. Type "cmd" without the quotes and press Ok. In the black window that pops up, type "ipconfig" without the quotes. You'll see something like this:
Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp.
Answers & Comments
Try http://192.168.0.1 - you don't enter www. in front of an IP. Check that this is actually your routers IP address by doing Start > Run. Type "cmd" without the quotes and press Ok. In the black window that pops up, type "ipconfig" without the quotes. You'll see something like this:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\root>ipconfig
Windows IP Configuration
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 192.168.0.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
Ethernet adapter Local Area Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Ethernet adapter Bluetooth Network Connection:
Media State . . . . . . . . . . . : Media disconnected
C:\Documents and Settings\root>
If your Default Gateway Value is 192.168.0.1 then you're good to go, otherwise this value will be what your routers address will probably be.