Reset the router.
http://support.microsoft.com/default.aspx/kb/189126
"Microsoft policy about lost or forgotten passwords"
Microsoft can not help you retrieve passwords of files and features in Microsoft products that are lost or forgotten.
Read the informationBANNING Password Cracking Tools information being supplied in these forums in the above Thread posted byBill Fill MSFT, Moderator
Cheers.
Mick Murphy - Microsoft Partner