IE Security Update Impact to Security and Compatibility

We’ve heard some concerns about the potential impact of recent IE updates, and I want to give you background on these updates so you can understand the impact. It is a top goal of ours to keep users safe and web pages working as the author intended. The great majority of users and developers should…


Disable javaprxy.dll recommended – Update to Security Advisory

Jeremy Dallman here from IE Security team with an update on the security advisory that Microsoft published last Thursday. In the revised Security Advisory provided earlier today, we recommend disabling Javaprxy.dll by using the registry key update (A.K.A. “killbit”) that is available now from the Microsoft Download Center. You’ll find a link in the updated…


Leak Patterns

The information published in this post is now out-of-date and one or more links are invalid.—IEBlog Editor, 21 August 2012 Justin Rogers one of our developers, just posted an article on MSDN where he discusses memory leaks with Internet Explorer. This article helps developers by explaining the issues and some best practices to fix web…


HTTP Performance

The information published in this post is now out-of-date and one or more links are invalid.—IEBlog Editor, 21 August 2012 Before I joined the Internet Explorer team, I worked on the Microsoft Office Online website.  Handling massive amounts of traffic, we faced some performance challenges that forced me to dig into the guts of HTTP…


Windows 2000 moves into Extended Support after June 30th

There are two important events that will happen to the support policy for Windows 2000 after June 30th of this year. First, support for both IE 5.01 SP3 and IE 6 SP1 on Windows 2000 SP3 will expire. Users running IE 5.01 or IE 6 SP1 on Windows 2000 should upgrade to Windows 2000 SP4…


Understanding the Windows lifecycle policy (for all you IT Pros out there)

With so many customers relying on IE, it helps to get a solid grasp of the Windows Lifecycle Policy, which at first blush can appear to be a bit cryptic. Fortunately I think I can shed some light on Microsoft’s policy with these simple rules: We support the version of IE that shipped with an…


Internet Explorer Compatibility Evaluator

My name is Tariq Sharif and I am a program manager in the IE security and networking team. I joined IE team shortly after Windows XP Service Pack 2 was released. Windows XP Service Pack 2 introduced many new security features for Internet Explorer, which can cause compatibility issues for some web applications and sites….


February IE Security Updates Released

Yesterday’s security updates for February 2005 include two critical updates relating to Internet Explorer: MS05-013 – has a fix for an issue with the DHTML edit control (CAN-2004-1319) MS05-014 – Cumulative Security Update for Internet Explorer These are both rated “critical” and affect all supported IE configurations from IE5.01 to IE6 for XPSP2. In addition,…


IE Setup – From IExpress to Windows Package Installer

My name is John Hrvatin and I’m the Program Manager for Internet Explorer setup.  That includes installers for security updates as well as integrating IE into Windows setup for future releases.  In the past, IE has used IExpress as its installer.  With the release of security update MS04-038 in October 2004, however, IE has begun…