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How to Fix Discord Error A JavaScript error occurred in the main process

If you are encountering error A JavaScript error occurred in the main process on Discord, this guide will help you resolve it.

Quick Summary

The "A JavaScript error occurred in the main process" error in Discord indicates that the core application encountered an unrecoverable error while executing JavaScript code. This often leads to instability, crashes, or unexpected behavior within the Discord application.

Common Causes

  • Corrupted Discord Installation: A faulty or incomplete installation of Discord can cause critical files to become corrupted, leading to JavaScript errors during runtime.
  • Conflicting Applications: Certain applications or processes running in the background can interfere with Discord's normal operations, resulting in JavaScript errors.
  • Outdated Discord Version: Using an outdated version of Discord may expose the application to known bugs or vulnerabilities that can trigger JavaScript errors.
  • Corrupted Discord Cache/Local Data: Discord stores temporary data in a cache folder. If this data becomes corrupted, JavaScript errors can occur.
  • Hardware Acceleration Issues: Discord's hardware acceleration feature can sometimes conflict with certain graphics drivers, resulting in JavaScript errors.
  • Antivirus Interference: Overly aggressive antivirus software might incorrectly flag Discord files as suspicious, leading to interference and JavaScript errors.

Step-by-Step Fixes

Method 1: Restart Discord

Step 1: Fully close Discord, ensuring it is not running in the system tray.

Step 2: Reopen Discord.

Method 2: Force Quit Discord (Clean Shutdown)

Step 1: Open Task Manager (Ctrl+Shift+Esc).

Step 2: Locate all Discord processes.

Step 3: Select each Discord process and click 'End task'.

Step 4: Reopen Discord.

Method 3: Reinstall Discord

Step 1: Uninstall Discord through your operating system's application manager.

Step 2: Delete the Discord folders from the following locations:

  • %AppData%\Discord
  • %LocalAppData%\Discord

Step 3: Download the latest version of Discord from the official website.

Step 4: Reinstall Discord.

Method 4: Disable Hardware Acceleration

Step 1: Open Discord.

Step 2: Go to User Settings (the gear icon next to your username).

Step 3: Click on 'Appearance' under 'App Settings'.

Step 4: Scroll down to the 'Advanced' section.

Step 5: Disable 'Hardware Acceleration'.

Step 6: Restart Discord.

Method 5: Run Discord as Administrator

Step 1: Right-click on the Discord desktop shortcut or executable file.

Step 2: Select 'Run as administrator'.

Method 6: Update Graphics Drivers

Step 1: Identify your graphics card (e.g., NVIDIA, AMD, Intel).

Step 2: Visit the manufacturer's website (NVIDIA, AMD, or Intel).

Step 3: Download and install the latest drivers for your graphics card.

Step 4: Restart your computer.

Method 7: Temporarily Disable Antivirus Software

Step 1: Temporarily disable your antivirus software.

Step 2: Open Discord.

Step 3: If Discord runs without errors, add Discord to your antivirus's exception list or whitelist.

Step 4: Re-enable your antivirus software.

Warning: Only disable your antivirus temporarily as this could leave your system vulnerable.
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