Microsoft Download Center Archive
 | Modal Dialog Performance Fix for Internet Explorer 11 for Windows 8.1 (x64) |
This update addresses performance degradation after installing the MS14-037 Cumulative Security Update for Internet Explorer.
- After applying the MS14-037 Cumulative Security Update for Internet Explorer, web applications that implement the use of consecutive modal dialogs can become very slow to update and may become unresponsive over time. After you install this item, you will have to restart your computer.
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Files
 | Status: LiveThis download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center. |
| File | Size |
|---|---|
 Windows8.1-KB2991509-x64.msuSHA1: db49d2f3c506d29560a726cf0447705f21290750 | 15.55 MB |
File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.
System Requirements
Operating Systems: Windows 8.1
- Windows 8.1 (x64-bit)
- Internet Explorer 11
- Important: You must apply MS14-051 Cumulative Security Update for IE before installing this fix. Failure to do so could cause serious impacts to how IE functions.
Installation Instructions
- Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Go.
- Do one of the following:
- To start the installation immediately, click Run.
- To save the download to your computer for installation at a later time, click Save.
- To cancel the installation, click Cancel.