IEInternals

A look at Internet Explorer from the inside out. @EricLaw left Microsoft in 2012, but was named an IE MVP in '13 & an IE userAgent (http://useragents.ie) in '14

August, 2011

  • IEInternals

    Default Integrity Level and Automation

    • 16 Comments
    Over on StackOverflow , danimajo asked for help in an interesting scenario. Basically, he’s trying to drive Internet Explorer through automation, but finds that when he navigates to an Intranet site, the hidden browser instance appears and he can...
  • IEInternals

    Internet Explorer 9.0.2 Update

    • 15 Comments
    Tuesday’s Update for Internet Explorer updates the IE9 Help > About dialog’s version number to v9.0.2. The update includes a number of security and functionality fixes; many of these fixes are described in the More Information section of...
  • IEInternals

    HTTP Methods and Redirect Status Codes

    • 9 Comments
    This crossed my Twitter stream earlier today: I’m not sure why we need a public service announcement to notify folks that Internet Explorer is behaving properly, but I guess there’s no harm in that. However, based on the lack of...
  • IEInternals

    Authenticode and Weak Certificate Chains

    • 6 Comments
    Recently, someone attempted to download a deprecated version of the Windows Script debugger . This tool was used to debug scripts prior to the introduction of more powerful, modern tools like those that are built into IE8 and later. The user emailed me...
  • IEInternals

    Sharpen the Saw

    • 6 Comments
    Gather round, young’ins, Grandpa Eric is going to tell you a story. Back in the old days, when I started writing software, programmers’ utilities were sold in boxes in retail stores. You’d plunk down your 149 bucks or whatever (in...
  • IEInternals

    Please don't make XHR run in synchronous mode

    • 6 Comments
    The Windows Error Reporting team reports that 8.4% of all hangs in IE9 in the past month are caused by XMLHttpRequest objects blocking the UI thread with a synchronous request. http://blogs.msdn.com/b/wer/archive/2011/08/03/why-you-should-use-xmlhttprequest...
  • IEInternals

    Swapping out JQuery with Fiddler

    • 1 Comments
    This morning, someone asked me to look into a site-compatibility problem on a HTML5 demo site. When loading the site into IE9 and IE10, the F12 Developer Tools’ Script Debugger showed the following error: Now, obviously, IE does support...
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