dsldevice.lan

Hey,am a newbie and the problem am experiencing with my 3yr old Windows vista computer lately is so annoying.I kind of get this info :-

dsldevice.lan followed by awful lots of jargon.

uncountable times a day and before i log in my network details,i get this info like i should enable the scriptings and after i feed the logging details i kind of get:-

dsldevice.lan followed by connect,success and DNSSpoofed.

I have tried emptying the recycle bin,clearing the cookies,increasing the security but nothing
is working yet,the problem is somewhat malignat..

Please advice..

Thanks.

Greetings.

What is the exact make and model of the computer?

Who is your ISP?

Is this a new problem?