Windows 10: Fix for slow Internet Explorer 11 start

[German]Microsoft has confirmed an issue (slow start) related to Internet Explorer 11 on Windows 10. The issue occurred last Friday due to a server outage, but has been fixed. I took this as an opportunity to compile some information about the topic. Maybe users of IE 11 can provide additional experiences.


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It is only a short information for users of Internet Explorer 11 under Windows 10, because the problem has now been solved by Microsoft.

Issue: Internet Explorer 11 starts slow or hangs

The background was an observation that the Internet Explorer 11 under Windows 10 suddenly started with a delay. Woody Leonhard pointed out the problem here and via Twitter a few days ago.

Due to an outage of a Microsoft server, Internet Explorer 11 failed to launch and became unrepsonsive. The following entry in the  Windows 10 message center from August 16, 2019 has more details:

Resolved: Delays starting Internet Explorer 11

On August 16, 2019 at 7:16 AM a server required for downloading the Internet Explorer 11 (IE11) startup page, went down. As a result of the server outage, IE 11 became unresponsive for some customers who had not yet installed the August 2019 security updates. Customers who had the August 2019 security update installed were not affected. In order to ensure your devices remain in a serviced and secure state, we recommend you install the latest monthly update.

This issue was resolved on the server side at 1:00 pm PST.

In a nutshell: Last Friday (7am, US time) some users has an issue with Internet Explorer 11, because the server needed to download the start page had been dwon. Internet Explorer waited for the page to load and stopped responding. Microsoft was able to fix the outage at 1 a.m. (local time) so that the browser starts as usual and displays the Microsoft start page.


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Internet Explorer 11 shows a Microsoft page

I had noticed a change in Internet Explorer's behavior due to user comments within my German blog. The June 2019 security update KB4503259for IE probably introduced a change. A start page must be set up in the browser. A user wrote:

Ever since I recklessly installed this stupid IE update, IE has generally started rather sluggishly and takes a lot of time to display the window bar at all. Once a day it also loads a background tab to a go.microsoft page, which then redirects to an ie11.welcome page. However, this remains empty for me – and since this doesn't satisfy IE, he has been repeating the game over and over again for a week!

In the course of the discussion, it turns out that IE 11 opens a second information page that explains that the Edge browser exists now. The affected user reports that uninstalling security update KB4503259 fixes the problem of a slow IE 11 start. 

Microsoft recommends the August 2019 security updates

The related entry within the Windows 10 message center from August 16, 2019 contains simple advice from Microsoft for affected users:

IE 11 became unresponsive for some customers who had not yet installed the August 2019 security updates. Customers who had the August 2019 security update installed were not affected. In order to ensure your devices remain in a serviced and secure state, we recommend you install the latest monthly update.

Users affected by this delay shall install the latest August 2019 security updates. There the problem has probably been fixed by Microsoft.

  • For Windows 7 and Windows 8.1 as well as the Windows Server counterparts, the cumulative security update KB4511872 for IE 11 must be installed there.
  • If you are using Windows 10, you should get the fix with the August 2019 security updates for Windows 10.

Finally, the following questions arise: Is the problem with the delayed IE 11 start fixed? Does Internet Explorer still show a go.microsoft.com page with references to Edge?

Similar articles:
Microsoft Office Patchday (August 6, 2019)
Microsoft Security Update Summary (August 13, 2019)
Patchday: Updates für Windows 7/8.1/Server (August 13, 2019)
Patchday Windows 10-Updates (August 13, 2019)
Patchday Microsoft Office Updates (August 13, 2019)
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2 Responses to Windows 10: Fix for slow Internet Explorer 11 start

  1. Norma says:

    Win 10 64-bit IE11 is always freezing. The problem requires closing IE11 via Task Manager and reopening IE11. It always asks to put back the interrupted page and usually puts one back exactly where one was when everything stopped. Using the big Win 10 Troubleshooter always comes back with "can't find". I use a couple of Tweaking freeware programs when the freezes are interrupting too frequently, and this seems to help. I've tried Resetting IE, even Reinstalling. MS won't hold their hands up about this. "Adblocker" [NO!] I believe they want us to use MS Edge. I don't get this problem on Win 7 64-bit on my office pc.

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