Right click and stop the service.
Right click again and select properties.
Change the start up type to disabled
Hit apply ok.
Repeat the same for the iphelper service.
The do the following.
Disable ipv6
http://support.microsoft.com/kb/929852
Remove your tunnel adapters.
http://go.microsoft....?linkid=9728872
Open elevated command copy and paste each command below hit enter after each and reboot.
http://www.sevenforu...and-prompt.html\
nbtstat -R
nbtstat -RR
Un install this reboot and tell me if the issue remains.
Plugfree NETWORK (Version: 5.3.0.1)