daniel7;
Hello and welcome to the forums.
Typically this happens when either the wireless adapter is not receiving any DHCP information from the router and resorts to an APIPA (169.254.nnn.nnn), or is not receiving complete DHCP information from the wireless router (missing default gateway).
Determine which if either is the case
open a command prompt and type
ipconfig /all
and look at the ipaddress information relative to your wireless adapater
copy and paste it into your next post and we'll have a look also
Third party software, like, network management programs, firewalls, antivirus/internet security suites, mDNSresponder.exe, etc. Vendor specific software that may be a part of the wireless card's drive package. Consider...