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I know question isn't good, but it hard to explain it in one question.

I have home WiFi network and two computers. On first computer (Windows XP) everything is okay. I turn a browser (Chrome, I checked on IE9 too), I can get in to every website.

On second computer (Windows 7) I turn browser (I tested chrome, ie, mozilla), I can browse google.com, but when I want to get in to other website I can't. Browser just blocks. It loads all the time, but nothing happens. When I back to google or I write in field google address it gets in to website. I can search on google. It's like "something" pass google domain but other not.

What it the funniest for me, that I used console and pinged other websites, which I try to get in by browser, and I have respondes from all the sites.

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I had this same thing, but I use a lot of screwey stuff, so if your ready try these Oddball things. Ping 5 addresses that you know are pingable by Name (and wont knock you out) EX: Yahoo.com Google.com Superuser.com Broadbandreports.com whois.com Bad example: amazon, or ebay (they dont allow). While your pinging the names write down or copy the IP numbers. go back and ping all 5 by numbers. Now, do the same thing using these additional parmeters. Ping -l 400 . ok after that add 4 also Ping -4 -l 400. If you dont know why just supply what happens, if you do know why, then your 1/2there. –  Psycogeek Jan 5 '12 at 10:04
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-l doesnt show well in the text here. just to confirm that is L as in Letter, but it must be lower case. –  Psycogeek Jan 5 '12 at 10:09
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The Why. might seems crasy, and there are better ways I am sure. 1)your testing DNS, are the names resolving, if not are the numbers resolving. Is it slow to do the first name resolve. 2) Your testing packet fragmentation, or what I call sending a 15foot truck under a 14foot bridge. 3) Your testing without IP6 through the devices. . . Now you know the other half. Which just leaves telling at least basically what your results are. . . Notes, to get the numbers to ping without DNS, use some other computer that has DNS working. –  Psycogeek Jan 5 '12 at 10:25

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