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This update includes improvements and fixes for Internet Explorer 11 running on Windows 7 that resolve the following issues:

  • Fixes an issue in which Microsoft Outlook Web App running in Internet Explorer slows down in certain situations.

Additionally, see the following article for more information about this cumulative update:

Windows 7 SP1 and Windows Server 2008 R2 SP1 update history


  • The fixes that are included in this cumulative update for Internet Explorer 4088835 are also included in the February 2018 Preview of Monthly Rollup. Installing the Preview of Monthly Rollup installs the fixes that are in this update.

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

How to get this update

Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.


There are no prerequisites for installing this update.

Restart information

You don't have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.

File information

For a list of the files that are provided in this cumulative update, download the file information for cumulative update KB 4088835.

File name

SHA1 hash

SHA256 hash








Learn about the standard terminology that Microsoft uses to describe software updates. 

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