May 26, 2024

Having trouble with IE11 long running script errors? Let’s troubleshoot the issue together.

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Verify Browser and Security Settings

Next, check if VBScript and JScript are enabled as well. In the same “Scripting” section, ensure that both “Enable” options are checked for VBScript and JScript.

Additionally, make sure that ActiveX controls are enabled. Scroll down further in the “Custom Level” settings and verify that “Download signed ActiveX controls” and “Run ActiveX controls and plug-ins” are set to “Enable.”

By verifying these settings, you can address common issues that may be causing the long-running script error in Internet Explorer 11.

Clear Temporary Internet Files

Step Instructions
1 Open Internet Explorer 11
2 Click on the gear icon in the top right corner of the browser window
3 Select “Internet options” from the dropdown menu
4 Under the General tab, click on the “Delete” button in the Browsing history section
5 Make sure the “Temporary Internet Files” box is checked
6 Click on the “Delete” button to clear your temporary internet files
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After clearing your temporary internet files, close and reopen Internet Explorer 11 to see if the long running script error has been resolved.

Update Windows and Internet Explorer

To troubleshoot the IE11 Long Running Script Error, one of the first steps you can take is to update Windows and Internet Explorer to ensure that you have the latest patches and improvements. This can often resolve issues related to outdated software.

Updating Windows can be done by clicking on the Start menu, selecting Settings, then Update & Security, and finally clicking on Check for updates. Follow the on-screen instructions to install any available updates.

To update Internet Explorer, open the browser and click on the gear icon in the top-right corner. From the drop-down menu, select About Internet Explorer. If there are updates available, you will be prompted to download and install them.

By keeping your operating system and browser up to date, you can help prevent errors such as the Long Running Script Error in IE11.

Utilize Troubleshooting Tools and Reset Options

  • Open Internet Explorer and navigate to the Tools menu.
  • Select Internet Options from the drop-down menu.
  • Go to the Advanced tab.
  • Click on Reset button.
  • Check the box for Delete personal settings if you want to reset everything.
  • Click Reset to confirm.
  • Restart Internet Explorer and check if the issue is resolved.


How do I stop long running scripts in Internet Explorer?

To stop long running scripts in Internet Explorer, you can disable script debugging by selecting the option in Internet Options > Advanced > Browsing settings. If the issue is widespread across multiple sites, it is not recommended to disable script debugging.

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How do I stop a long running script?

To stop a long running script, you can press the escape key.

What is a long running script error?

A Long Running Script error occurs when a script takes longer than the browser’s specified timeframe to execute, indicating performance issues.

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