I cannot access yahoo.ca but can access all other websites including yahoo answers?

i keep on getting directed to dell ( i have a dell inspiron 1525 laptop) google website. it tells me something like : Sorry, we couldn't find... show more i keep on getting directed to dell ( i have a dell inspiron 1525 laptop) google website. it tells me something like :

Sorry, we couldn't find http://ca.yahoo.comnofiledartiframe.html/%3FadParams%3D%253D6073765%252FR%253D0%252F*http%253A%252F%252Fad.doubleclick.net%252Fclick%25253Bh%25253Dv8%252F398b%252F7%252F10f%252F%25252a%252Fq%25253B224462625%25253B0-0%25253B0%25253B48089108%25253B4307-300%252F250%25253B36530973%252F36548881%252F1%25253B%25253B%25257Esscs%25253D%25253f%26clickN%26type%3DExpandingFlash%26uniqueId%3D1272375172148%26thirdPartyImpUrl%26thirdPartyFlashDisplayUrl%26thirdPartyBackupImpUrl%26surveyUrl%26googleContextDiscoveryUrl%3Dhttp%253A%252F%252Fpagead2.googlesyndication.com%252Fpagead%252Fads%253Fclient%253Ddclk-3pas-query%2526output%253Dxml%2526geo%253Dtrue%26livePreviewSiteUrl%3D%2525LivePreviewSiteUrl%26servingMethod%3Di%26macro_eenv%3Di%26macro_g%3Dct%253DCA%2526st%253DON%2526ac%253D416%2526zp%253DM6C1C7%2526bw%253D2%2526dma%253D1%2526city%253D1829%26macro_s%3DN6024.yahoo.com%26macro_eaid%3D224462625%26macro_n%3D6128083%26macro_erid%3D36548881%26macro_ebuy%3D4465469%26macro_ecid%3D36530973%26macro_erv%3D1%26macro_epid%3D48089108%26macro_eadv%3D2592874%26macro_esid%3D901763%26macro_ekid%3D0. Here are some related websites:
why is it doing this? i only typed www.yahoo.ca , and the thing is if you give me a link to a yahoo article, i can see it but i cant go to the main webpage, any ideas?
Update: i tried yahoo.com but it redirected me to yahoo.ca and soo same problem
3 answers 3