If you are using Smartphone, Tablet, or PC then it is a must-have antivirus to keep your data and personal information secure from getting stolen. McAfee is one of the renowned Antivirus software that is being used by various enterprises across the world. The software provides complete internet security for all the devices. However, while installing the McAfee Software if you have encountered a Javascript error then it is probably because of the missing Javascript Files. If you have encountered this error and need a quick way to resolve this error then read this article till the end.

javascript error while installing mcafee

In this article, we will discuss some of the common reasons that can cause this error and how you can troubleshoot the McAfee javascript Error.


What Causes McAfee JavaScript Error?

One of the common issues that can cause the McAfee Javascript error is that the javascript file is either damaged or overridden because of a third-party installation. Javascript files are required to connect to the web browser. Hence, if the Javascript files are damaged or missing then it won’t allow the McAfee software to connect with the webpages to download the software and leads to an error.

Role of Javascript In McAfee Installation

Before leading to the troubleshooting process, let us first understand the role of Javascript in Mcafee Installation. the first thing that you need to understand is that the McAfee javascript error Occurs because of Missing javascript Files, not Java. Java and Javascript are both programming languages. However, Java is used to build applications while Javascript is used in web development to make a page more user-friendly and interactive for the user. Hence, if you have downloaded a java file and wondering why you’re getting a McAfee Javascript error then you need to download the javascript file to resolve this error.

javascript error while installing mcafee

Methods to Fix McAfee JavaScript Error

Method: 1 Use the JScript Tool

jscript tool

  • Open a browser and download the JScript Tool also know as the Pre-install tool.
  • Now go to the folder where the file is stored and then run the preInstallTool.exe file to install the software on your device.
  • Now click on next and then choose “I agree” to accept the terms and conditions.
  • Click on Install Button now and then wait until the installation process completes.
  • Close the window.

Once the JScript tool will be installed it will repair or restore the damaged Javascript Files. Now you can try installing the McAfee software to check if the error has been resolved or not. In Case, You are still getting an error then follow the next method.

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Method: 2 Use Command Prompt

using command prompt

  • Press the Windows key and search command prompt on the search bar and hit enter.
  • This will open the command prompt window on your screen.
  • After this enter the following .DLL commands into the screen.

“Regsvr32 vbscript.dll” file

In case, all the three .dll files are successfully registered then ensure that you won’t enter the above command in the same line. After entering the command, Hold for a minute whether your device will check if the respective .dll file is successfully registered or not. You are required to follow the same procedure for the preceding commands.

“Regsvr32 scrrun.dll file”

“Regsvr32 jscript.dll file”

Method: 3 Try Updating Java Application

Before updating the Java Application in your device, You need to first check if you are using multiple versions of the Java application or an outdated Java Application version. In case you have multiple or Outdated versions of the Java application on your device you will be needed to first uninstall the existing one and then download the latest release of the java application.

  • Open the Control Panel window on your device.
  • Go to the program and features a window and then look for the java application in the list.
  • Right-click on the Java App and choose the updates option.

Once you are done troubleshooting the error, Go to mcAfee.com/activate and try downloading the latest release of the McAfee software to install it. Install and Activate the McAfee Software on your device to make use of all the services and features of the software. In Case, you are getting an error while downloading a game or setting up your printer then try disabling McAfee Firewall temporarily to successfully complete the process. these firewall windows might block the connection or download process but taking it as a suspicious activity.  If you need any assistance or have any query then feel free to contact McAfee Customer Service. they are available 24×7 to help you with an effective solution.

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