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

April, 2011

  • IEInternals

    Internet Explorer 9 Help Files Online

    • 4 Comments
    In Internet Explorer, if you press F1 or use the Help menu, the Windows Help and Support screen will show. However, you may find that you always see a Topic not found error message. The reason is that Internet Explorer 9’s help...
  • IEInternals

    Proper Content-Type Header Syntax

    • 0 Comments
    I’ve previously mentioned one site that wasn’t working properly due to sending a malformed Content-Type header. Today, I encountered another site with a similar problem, but in a subtly different way. Looking at the IE9 F12 Network tab, you...
  • IEInternals

    A Security Prompt that makes you go “Huh?”…

    • 6 Comments
    Every few months, a Microsoft employee will send me an email complaining that Internet Explorer showed them the following dialog: This page is accessing information that is not under its control. This poses a security risk. Do you want to continue...
  • IEInternals

    Browser Helper Objects for Windows Explorer

    • 3 Comments
    Thanks to TuxExplorer for reminding me to blog about this. Both Windows Explorer and Internet Explorer are able to load extensions known as Browser Helper Objects (BHOs). BHOs are a minimal extensibility point into both the shell and the browser, allowing...
  • IEInternals

    Understanding Certificate Revocation Checks

    • 7 Comments
    Recently, there’s been some interest in how clients perform Certificate Revocation checks and browsers behave in the event that a revocation check cannot be completed. In today’s post, I’ll explain Internet Explorer’s default behavior...
  • IEInternals

    YouTube and Save Video As

    • 0 Comments
    An amusing April Fool’s satire I ran across yesterday reminded me of a Connect bug that was reported back in the IE9 Beta. The HTML <video> control’s default context menu includes a “Save Video As…” menu option that...
  • IEInternals

    Warnings on Incomplete Downloads

    • 12 Comments
    Recently, a user sent in the following screenshot of a security warning they encountered when attempting to download the Microsoft Zune software: Obviously, we immediately attempted to reproduce the reported problem, and we found we were unable...
  • IEInternals

    Controlling ActiveX in Internet Explorer

    • 3 Comments
    In today’s post, I’ll provide a high-level overview of features in Internet Explorer that impact the loading of ActiveX controls. Internet Explorer 6 and later allow the user to enable or disable ActiveX controls on an individual basis...
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