'A JavaScript error occurred in the main process' Discord Error

Discord is a popular voice-over-IP (VoIP) and instant messaging application used by all kinds of online communities. The software is well-maintained and receives regular updates and bug fixes, but there are still some issues, which users worldwide may experience every now and then. One of the common Discord issues is the 'A JavaScript error occurred in the main process' Discord Error – it is sometimes caused by corrupted drivers or issues with the operating system. Below, we describe some of the best troubleshooting tips to try when you encounter the 'A JavaScript error occurred in the main process' Discord Error:

Run Discord without Administrator Permissions

Typically, it is recommended to do the opposite, but this particular Discord issue may sometimes be resolved by NOT running it as an administrator. To do this, right-click the Discord shortcut, and go to Properties. Select the 'Compatibility' tab, and then remove the checkbox next to 'Run this program as an administrator.' Apply the changes and re-run the program.

Enable the 'Quality Windows Audio Video Experience' Service

Quality Windows Audio Experience, or QWAVE, is a Windows service, which may sometimes cause problems if it is not enabled. Go to Start Menu -> Services. Find 'Quality Windows Audio Video Experience' in the list of services, right-click it and select 'Properties.' Set the 'Startup Type' to automatic, and then press 'Start.'

Reinstall Discord

Quit Discord completely, and then uninstall it through the Start Menu -> Apps & Features section. Download a fresh copy of Discord from the official website, and install it.

Purge the Discord Cache

Discord keeps a lot of cached files and configuration information, which, if corrupted, may cause issues like the 'A JavaScript error occurred in the main process' Discord Error. Press the Windows Button + R and then type '%APPDATA%'. Delete the 'discord' directories in the folders 'Local' and 'Roaming'.