How to Fix JavaScript Errors Found in the Main Process?


By Jack

Update on

Fix JavaScript Errors

Knowing how to fix JavaScript errors can be very handy for any Windows user. So, if you want to know how to fix it, keep reading.

This article will explain how to get it fixed without much trouble.

A Quick Look at the JavaScript Errors

Here are some important things you should know when it comes to JavaScript errors you might come across.

  • In some cases, JavaScript errors can appear when you start apps such as Discord or Skype. Essentially, this error and many others may be common with chat apps.
  • Among many other errors, “JavaScript error occur in the main process” is a common one.
  • There is no shortage of solutions for those who want to fix JavaScript errors.

Are you passionate about the concept of online chatting? Do you often use chat apps such as Discord or Skype? If so, the possibility of experiencing some JavaScript errors cannot be underestimated.

That is why learning how to fix JavaScript errors is important. If you know how to do it, you will feel no stress when facing such errors.

JavaScript errors don’t occur due to a single reason. In other words, there can be several different reasons. Regardless of the actual cause, it is always possible to address this issue easily.

If you wonder how to fix JavaScript errors and need some guidance, you may follow the guide below.

The Possible Reasons for JavaScript Error

In this section, let’s look at some of the most common reasons for JavaScript errors appearing. Listed below are those possibilities.

  • Your program’s settings or even the program itself might have been corrupted.
  • The service called “Quality Windows Audio Video Experience” is disabled.
  • The respective chat app you intend to open has administrator privileges.

PS: if you are experiencing the Javaw.exe missing errors on your PC, here are the top solutions.

The Best Solutions to Fix JavaScript Errors 

fix JavaScript errors 

Now that you have a better understanding of the nature of this JavaScript error. Let’s learn the solutions. In this case, we will use several solutions. This doesn’t mean that you have to try all of them.

Instead, you can try one after the other until the error is completely resolved. Also, you should remember that there is

01. Perform a Reinstallation of the Respective Program

The first option you should try as a solution to fix JavaScript errors is reinstallation. With a reinstallation, you can expect to fix several errors associated with the respective program. Well, reinstalling a program is a very simple task for any individual.

However, if You Still Want to Learn How to Do It, Mentioned Below Are the Steps to Follow.

As per this method, we assume something is wrong with the existing installation. Also, based on the type of the programs, some of your user files can go missing.

So, if you have some files created with that respective program, you may create a backup of that information. After that, please go ahead with the installation (with the following steps).

  • To begin, you should press the Windows key to bring to the start menu. If not, you can click on the start button. That will bring the Windows Start Menu up.
  • You can enter the program’s name when the start menu is up. For instance, if you want to uninstall Discord, you should enter “Discord.” If it is Skype, just enter the text “Skype.” Likewise, you should simply enter the name of the program.
  • Now, you should right-click on the respective program and choose “Uninstall.”
Skype Uninstall
  • Once the process is completed and the program is uninstalled, you can download the application again. This time, you will download the most recent version of the application.

Please Note That You Will Face Hard Times when Uninstalling Some Applications.

You can use an uninstaller tool if it is difficult to uninstall any of those applications. IObit is one of those tools that can do uninstalling very effectively. This tool can uninstall any stubborn program that doesn’t get uninstalled properly.

So, give it a try and uninstall those faulty programs easily. You can easily download the program, install it, and launch it. Once you have launched it, you will see a button to uninstall the program effortlessly. It will uninstall the program and leave no leftovers.

Basically, IObit can remove any program without leaving any trace whatsoever. Once the complete uninstallation is done, you can reinstall the program. And that’s the first method you can use to fix JavaScript errors.

02. Get Rid of the Folder of the Respective Program from AppData

This is another method you can try if you want to fix JavaScript errors. This is more of the “manual” version of the above uninstallation procedure.

As per this method, you will be manually deleting all the data related to the respective program.  

Please Follow the Below Simple Guide to Delete the Folder from AppData.

  • First, you should launch Windows Explorer. To do that, you can use keyboard shortcuts. Press the “Windows” and “E” keys to launch it.
  • Once the Explorer window is open, you can see a list of icons. All you need is to choose the icon labeled “This PC.”
  • Then, you should navigate to the path mentioned below.

C:\Users\{Your User Name}\AppData\Roaming\{Your Program}

  • Now, you should perform right-click on the respective folder of the program. After that, you should select the option called “Delete.”
Delete respective program from Appdata
  • In some cases, there is a possibility of getting an error message when you try to delete it. The message might say that you cannot delete the folder as it is being used. However, you can avoid this error simply by accessing the task manager. Go to the task manager utility and end the faulty task.

That’s it. You can now reinstall the faulty application and see if it works.

03. Set the Service to Be Started Automatically

You can try this option if the previous two options have failed. There is a service called “Start Quality Windows Audio Video Experience.” You will have to set up this specific service automatically on your system.

As a result, you might see that the error is fixed. If you want to learn how to do it, follow the below steps.

  • First, you should launch the “Run” utility on your PC. You should press the “Windows” and “R” keys together to do it.
  • Once the “Run” command is open, you can enter the text “services.msc“.
  • You can go down on the page now. Then, you should see the “Quality Windows Audio Video Experience option.”
  • You can then perform right-click on that option. After that, you should choose the option called “Properties.”
  • When you see the option “Startup Type,” you should see a couple of entries. Choose the option “Automatic” from the dropdown.
Start Service to fix JavaScript errors 

Now, you should perform a restart on your PC. We believe that this method will fix JavaScript errors.

Do You Still Get a JavaScript Error?

In some cases, even if you try to fix JavaScript errors, you may not succeed. If you get any other JavaScript errors, you can follow the steps mentioned below.

  • Press the “Windows” and “R” keys to bring the “Run” utility up.
  • Then, enter the text “services.msc“.
  • Now, scroll down to locate “Quality Windows Audio Video Experience.”
  • Perform a right-click on that and choose “Properties.”
  • Now, go to the option called “Log On.”
  • Click on the option called “Browse.”
  • Now, you will see a box called “Enter.”
  • Provide the name of your Windows account.
  • Choose the option called “Check Names.”
  • Wait for a while and press “OK.”
  • Enter the password in the provided field.
Do You Still Get a JavaScript Error

04. Run the Program As an Administrator

  • Go to the executable file of the program.
  • Perform a right-click on it and click on “Properties.”
  • Choose the option called “Compatibility.”
  • Then, select the box that represents “Run this program as an administrator” to proceed.
  • Hit OK to proceed.
Run Program as administator to fix JavaScript errors 

Frequently Asked Questions (FAQs)

1. What are some common causes of JavaScript syntax errors?

JavaScript syntax errors can occur due to missing or misplaced punctuation, incorrect keyword usage, or mismatched braces or parentheses.

2. How can I debug JavaScript errors in my web browser?

Modern web browsers provide developer tools that include debugging features. You can use these tools to set breakpoints, inspect variables, and track the execution flow of your code.

3. What is the purpose of using Try…Catch blocks in JavaScript?

Try…Catch blocks are used to handle exceptions and prevent the code from crashing when an error occurs. They allow you to gracefully handle errors by executing fallback actions or displaying informative error messages.

4. Are there any automated tools available to detect JavaScript errors?

Yes, several automated tools are available to detect JavaScript errors. Examples include ESLint, JSHint, and TypeScript. These tools analyze your code for potential errors, style violations, and other issues.

5. What should I do if my JavaScript code is not working as expected?

If your JavaScript code is not working as expected, start by reviewing the code for errors and debugging it using browser developer tools or console logging. Check for logical mistakes, incorrect variable references, or missing function calls. Refactor and test your code until it functions correctly.


So, you can try the above steps and see if the problem gets solved. We believe at least one of the above solutions should work and fix JavaScript errors. If you do have other queries, please let us know.


Ten years of experience in information and computer technology. Passionate about electronic devices, smartphones, computers, and modern technology.