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  • IE unresponsive/DNS errors?

    I'm not sure what's causing these issues but I'm hoping someone else may have come across them in the last couple months and might have a fix.

    We have two different PCs where Internet Explorer just stopped working. These computers are in different locations, on different networks, and use different ISPs.

    PC #1: It's several years old, some of the hardware is even older, the OS is Win2K, and IE 6. I was online (this site actually ) before shutting it down for the night. The next day, when I booted up, the IE window would open, but it's totally unresponsive. When I mouse over buttons or the address bar, I only get an arrow as if I was mousing over blank desktop, it never changes to a cursor, nor does clicking anywhere in the window produce any effect. I don't get a DNS error, but the home page is set to about:blank, so that's not surprising. The problem started about 5 weeks ago. Norton, Spybot, etc. do not find anything wrong.

    I installed Firefox, and that works fine as a browser. This PC is schedlued to be gutted this weekend, and the drive formatted, so I didn't really care about fixing IE if it was going to be difficult.

    PC #2: Was SOTA two years ago when purchased new, the OS is XP SP2, and IE 7. Similar issue, IE was working fine one day, the next day, it generates a DNS error when trying to connect to the home page (or any website). I can access all the menus, so it's not demolished quite as badly as IE 6 was on the first PC. Again, Firefox works fine. The problem, however, is that some of the applications either use IE for their updates, or use whatever is blocked/destroyed in the OS to update. Again, Norton, Spybot, etc. find nothing. I've tried reinstalling IE fresh, but it still didn't work. This computer runs an entire business and I want to do all I can to avoid a rebuild, but I'm running out of options.

    Conclusion (a.k.a. Plea for Help!): I'm hoping someone with more experience might have a fix for this. I've kicked this around with our IT Manager and some other local techs and our collective opinion is rebuild from the ground up. The business would rather try any and all possible fixes to avoid the rebuild on PC #2, so this is one of my desperate last attempts to avoid it. Any ideas, folks?
    Last edited by Gerrinson; 05-14-2008, 04:44 PM.

  • #2
    PC #1: I saw something similar happen elsewhere. Check for stuff like Yahoo Toolbar, Google Toolbar, etc, and remove them. Sound to me like a benign browser helper object is screwing up. Uninstalling it will fix the problem.

    I said benign, btw, because the other tools (I'm assuming all are updated) don't find anything.

    PC #2: I'd think same idea, but not so benign. It sounds like some malware got partially installed, and was supposed to include its own DNS server, but that part failed to install/work correctly.

    The one thing you didn't mention: Did you install Firefox on this machine? If so, did it work?

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    • #3
      Actually, I did mention that Firefox works fine on PC #2. The comment is small and hidden in the middle of the block of text, though.

      Turns out the IT manager did get that one working this afternoon. I did ask, when I first worked on it, if any new software was installed that might have created issues. The answer was 'No, nothing new, nothing has changed.' I forgot what I learned watching House - people always lie. Having removed the crap software that 'someone else' downloaded everything works fine. I guess I have to learn how to better interrogate users. My bad.

      As for PC #1, it does have the Google toolbar installed, I'll remove that when I can get over to that PC. I'd be surprised if anyone 'added' extras to this without my knowledge, as I was the only one to use it in the week prior to IE dying. Thanks for the suggestion!

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      • #4
        Oh yeah ... toolbars be GONE! Nothing screws up your computer more than those Google and Yahoo toolbars (well, besdies intentionally malicious software, that is).

        House ... entertaining AND educational!
        "Always stand near the door." -- Doctor Who

        Kuya's Kitchen -- Cooking, Cooking Gadgets, and Food Related Blather from a Transplanted Foodie

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        • #5
          download hijack this. It'll show you all the IE browsers "helpers" that might be screwing with IE. It will even let you remove it from start up, the files will still be on the computer won't be in the registry. I suggest running it and printing out what should be the "default" list. And when there is a problem, you can check the list against whats on the computer.

          It also will show hostfile or DNS redirections which really messes everything up.
          I've lost my mind ages ago. If you find it, please hide it.

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          • #6
            Quoth marasbaras View Post
            House ... entertaining AND educational!
            Oh my, yes. Amazing how much of House's bitter advice can be applied to IT also. Maybe part of the reason I love the show so much.
            The Rich keep getting richer because they keep doing what it was that made them rich. Ditto the Poor.
            "Hy kan tell dey is schmot qvestions, dey is makink my head hurt."
            Hoc spatio locantur.

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            • #7
              Quoth marasbaras View Post
              Oh yeah ... toolbars be GONE! Nothing screws up your computer more than those Google and Yahoo toolbars (well, besdies intentionally malicious software, that is).

              House ... entertaining AND educational!
              i think people are giving google toolbar a bad wrap... but then again, i disable all functions on it besides search and popup blocker... so i don't know what else they've added to it that will make a pc bonkers.

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              • #8
                Actually, for me, the problem with it came at browser startup in an environment which required a proxy server.

                The toolbar would attempt to connect to the internet for some reason (probably an update) but would not use the proxy server settings. As a result, it would hang the entire browser window, since it couldn't reach the internet.

                Open a second window, which sees the first is already trying to do whatever, and therefore it doesn't try the same thing, allowing the browser to work just fine in the second window.

                So, nothing added, it was screwing up the system.

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