How to Fix JavaScript Errors Found in the Main Process?

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.

In this article, we 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 pretty 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 exactly why it is important to learn how to fix JavaScript errors. If you know how to do it, you will feel no stress in the event of facing such errors.

In fact, JavaScript errors don’t occur due to a single reason. In other words, there can be several different reasons. Regardless of the actual cause, however, 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 take a look at some of the most common reasons for JavaScript errors to appear. Listed below are those possibilities.

  • The settings of your program 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 for you.

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 that there is something 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.
  • When the start menu is up, you can enter the name of the program. 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 perform a right-click on the respective program and choose to “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.

If you find it difficult to uninstall any of those applications, you can use an uninstaller tool. IObit is one of those tools that can do the uninstalling in a very effective manner. With this tool, you will be able to 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, get it installed, 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 as you wish. 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

Well, this is another method you can try if you want to fix JavaScript errors. In fact, 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 Below Simple Guide to Delete the Folder from AppData.

  • First, you should launch Windows Explorer. To do that, you can use keyboard shortcuts. Just press the “Windows” key and “E” keys together 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 a right-click on the respective folder of the program. After that, you should select the option called “Delete.”
  • In some cases, there is a possibility to get 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 this specific service to start 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 steps that are mentioned below.

  • First, you should launch the “Run” utility on your PC. To do it, you should press both the “Windows” and “R” keys together.
  • Once the “Run” command is open, you can go ahead and enter the text “services.msc“.
  • You can go down on the page now. Then, you should see the option called “Quality Windows Audio Video Experience.”
  • You can then perform a right-click on that option. After that, you should choose the option called “Properties.”
  • When you see the option called “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 that are mentioned below.

  • Press “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.

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 

So, you can try the above steps and see if the problem gets solved. As we believe at least one of the solutions presented above 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.