How to fix McAfee not installing due to Javascript error? [Solved]

Here's how to troubleshoot McAfee not installing because of a Javascript error.
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How does McAfee fight against viruses?

McAfee is a well-known anti-virus software company. It safeguards our devices from numerous dangerous files and folders, known as viruses. These viruses have infiltrated and duplicated themselves on our PCs. They introduce their block of code into the original code of the computer, causing our machine to behave improperly. As a result, it is always advised that you install antivirus software anytime you use your computer.

Anti-virus software is especially important when working on the internet because the internet is swarming with viruses, malware, and spyware waiting for an opportunity to infiltrate our machines and steal our data. If we have anti-virus software installed on our device, would it periodically scan it to prevent our files and folders from becoming corrupted?

What is preventing McAfee from installing it due to a Javascript error?

McAfee is a problem that disrupts our computers’ normal operations due to a Javascript error. It usually occurs while we are working on an application. Some errors require immediate attention, and we are no longer able to work on our device unless we troubleshoot the McAfee not installed due to Javascript errors.

What are the possible causes of McAfee not being installed because of a Javascript error?

This McAfee error, not due to JavaScript, usually occurs when the JavaScript on our device is missing or faulty. It is one of the most common McAfee’s as a result of McAfee’s Javascript flaw, which requires immediate attention. There are numerous ways to troubleshoot this type of problem.

How do I troubleshoot McAfee Javascript error?

The following are the procedures to troubleshoot the McAfee installation due to a Javascript error:

Method 1 to fix McAfee not installing Javascript error

The first method available to us is to launch the Preinstall Tool on our device. The methods to take are as follows:

  • Get the McAfee Pre-install tool on the internet.
  • Save the exe file to your desktop or another easily accessible location.
  • To execute it on your device, double-click the exe file.
  • Follow the on-screen instructions and then click Finish.
  • After the Preinstall Tool has been successfully installed, click OK.
  • Close the window.
  • After successfully installing the Preinstall program, restart your computer.

Method 2

The second method is to repair the client-side scripting, i.e. JavaScript, as McAfee does when there is a problem with our system’s JavaScript.

  • Click the Start button, which is located at the bottom of the desktop screen.
  • Navigate to the search box at the bottom.
  • In the search box, type cmd.
  • Right-click on the command in the search results and select Open as Administrator.
  • In the command prompt window, type the following commands one at a time, remembering to press enter after each one.
    1. regsvr32 jscript.dll
    2. regsvr32 scrrun.dll
    3. regsvr32 vbscript.dll

After successfully executing these commands, you will be given a success or failure result.

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