Discord Javascript Error Cannot Read Property 'on' of Undefined

Last Updated: Nov 23, 2021

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Are you experiencing pesky roadblocks when trying to install Discord? Specifically an abrasive javascript error? Well, don't worry, you aren't the first person to experience these problems. This being said, it's an event that seems to be cropping up more regularly thanks to the popularity of Discord seemingly holding no bounds.

We've decided to create this easy-to-sympathise, pace-by-step guide on how to fix the errors which are stopping yous from installing and using Discord.

Let's waste product no further time and dive directly into the methods!

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Delete Discord Files

Like many programs, Discord continuously stores temporary data on your PC to help it run as efficiently as possible. Nonetheless, sometimes, those temporary files tin become corrupt and interfere with the way the programme runs. In order to give Discord a clear run when booting up with your arrangement, we need to delete these specific files.

Follow the following steps to practise so:

1. Offset by closing Discord via Task manager (CTRL+ALT+DEL)

two. Next, right-click on the Windows start menu icon, bottom left-hand corner

three. Inside the pop-upward bill of fare, you will an option for "RUN", select it

4. A small run window will pop up, in the open field, type in the post-obit command "%appdata%" and click run.See pic

five. A window should appear with several folders inside, select the Discord folder, right-click and delete

6. Once deleted, return to the start menu and load "Run" once again from settings

7. This time, type "%Localappdata%" in the aforementioned field and click run

8. Once again, find the Discord binder and delete as you lot did above by right-clicking and selecting delete

9. Now yous can relaunch Discord setup file and follow the steps provided to re-install the software

This method has worked for many and is one of the most mutual causes of the javascript error message. Hopefully, this will work for y'all; if not, nosotros have a few more ideas to try adjacent.

Brand Sure Your Antivirus Isn't Causing You Bug

It'south been well documented that sure Antivirus apps have been known to target specific Discord installation files and effectively end them during the install process. What this ways for Discord is that the software can no longer access the files to complete the process. It's at this stage you will exist notified with the fatal javascript error message. The most common file which falls victim to the antiviral bombardment is the "Discord_voice" recovery file.

There'due south an easy manner to resolve this event, and it requires a simple Antivirus bypass. For this, you need to enter into your quarantine vault within the antivirus software yous are using. For this example, nosotros're going to download and install Avast to show you how it'due south done on a free application.

Take the post-obit steps:

1. Showtime past opening Avast. You can do this by double-clicking the icon or right-clicking the Avast tab in the apps section of Windows.

2. Once In Avast, locate and select the "Protection" tab.

iii. Within y'all will run into a series of sub-options, locate the virus chest (sometimes called quarantine expanse in other antivirus software) and open the tab.

4. In the virus chest, you will come across all files which the antivirus software has deemed unsafe. Avast, in this case, has quarantined those files. This is where nosotros have to go in and restore them.

five. Locate any files which are associated with Discord. All Discord related files will have Discord in the proper name.

6. 1 located, click the three dots that appear when hovering your mouse over the file. Select "Restore and add together exception" from the list that appears

7. Do this for all files related to Discord. In one case complete. Restart the installation process.

Another step in making sure that this fault, the antivirus i, doesn't occur again, is by adding a folder in Avast which tells the software the Discord installation files are non harmful to the organisation.

You can do this by following these simple steps:

1. Open up Avast user interface, the same manner equally above
2. Click the "Menu" icon among the options available in the tiptop right and select "Settings" from the driblet-down.
3. Once in settings, click the "General" tab on the left-hand side
4. In one case inside General, select the "exceptions" tab

5. Within here, you tin add exception folders. This tells the antivirus to allow the system to access and use these files.

6. Select the "Add exception" button and find the Discord folder and the installation files. Click "Add Exception" and relaunch Discord

Reinstall Discord

Even if you manage to install Discord successfully, you can still experience the javascript mistake. If this does occur, the easiest fashion to resolve the effect is to reinstall the program. Uninstalling a program is quite simple, as I'one thousand sure you're aware. Withal, we will demand to fully erase all files to permit for a clean install second time round.

Here's how we practise it:

1. Kickoff by right-clicking the Windows kickoff bill of fare icon and selecting the "Search" tab from the drop-down menu.
2. In the search field, blazon "Control panel" and double click the search find

iii. In one case in the control console, yous will meet a serial of options. Observe the programs tab. Underneath the heading, you will see uninstall a program. Click the shortcut.

4. You will demand to run into the list of programs that are currently installed on your system. Find Discord, select it, and click uninstall. This shouldn't accept too long. Simply follow the magician prompts to complete the process.

v. Once uninstalled, right-click on the first carte du jour and select "Run"

half dozen. Type in the open field "%appdata%" and click run

seven. Locate the Discord folder and delete it

8. Reopen "Run" once more and type "%Localappdata%" and again, delete the Discord binder you detect

nine. You lot will at present need to redownload the installer from the Discord website.

x. Once downloaded, simply reinstall the programme. Discord should install fine without whatsoever javascript errors

At that place Y'all Have It

Those are the most common ways of fixing that annoying javascript error you sometimes get when using or trying to install Discord. Information technology'southward non just javascript that these methods will prepare either. If you take whatever Discord related issues, follow these steps and nine times out of ten, the problem will be solved.

Allow u.s.a. know how y'all got on using our tried and tested methods, did they work for you? Or, are you withal struggling to become things up and running?

Let u.s. know by leaving us a comment in the section below. If you are struggling, we will answer any questions as presently as we can!

If you have whatever additional Discord questions, accept a read of our How To Apply Discord mega article – which lists every guide we've written on the subject!

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Source: https://www.wepc.com/tips/discord-javascript-error-fixed/

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