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I'm pulling my hair out trying to get IE9 to work. I recently started noticing problems with both IE9 (websites that won't load on my machine's IE9, but load fine on another computer's IE9) and my Outlook 2007 (images would not load).

I may have caused the problem by running Auslogic's Boost Speed, which changed some registry settings. Anyway, I tried uninstalling IE9, which brought me back to IE8, and fixed both my problems.

But I need IE9, so I reinstalled it and reset it back to default. My Outlook problem is fixed, but not my IE9. It says

A problem displaying "" caused Internet Explorer to reload using Compatibility Mode

Turning Compatibility on and off doesn't help.

I thought it was a problem in the coding, but I also can't see sites such as http://www.w3.org/ and http://online.wsj.com/ (although I can see sites like Google and Facebook...)  I've tried several different Microsoft Fix-it diagnostics, but can't seem to find the problem.

I would appreciate any ideas!

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The obvious question would be to inquire if after you updated to IE9, did you also grab all of the updates for IE from Windows Update? Without more detailed information this will be more difficult to troubleshoot. If you can provide the exact text from the error message that is displayed when trying to open a site, that will be helpful. I have also found that after resetting IE via the Rest option on the Advanced tab of Internet Options that it is best to reboot if possible, or at least log out and log back on. -Chris –  Chris E. Avis Jan 9 '13 at 23:37
    
I edited your question to clarify the error message you are reporting. If I misunderstood you, please edit the question yourself to fix what I did. –  Scott Jan 10 '13 at 0:13
    
Toggling compat mode wont work. If the sites main HTML page has the "HTML4" declaration header in it, then it forces the browser into "Quirks mode", which is the same as being IN compat mode: the equivilant of IE5.5. mode, even if you set it to not be in compat mode. –  djangofan Jan 10 '13 at 0:38
    
Although somebody told you to ask here, in the future, please don't cross post. Your questions can be migrated to other sites where they are on topic. Thanks! –  slhck Jan 10 '13 at 9:50
    
Yes, that is the only error I get "A problem displaying "" caused Internet Explorer to reload using Compatibility Mode" I checked to see if there were any relevant Windows updates available but it looks like everything is updated. I also tried rebooting the system, but still get the error and pages won't load or won't load completely. (For instance, w3.org displays the header background image and nothing else. –  user1964422 Jan 10 '13 at 14:06
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