Are you encountering the ChatGPT error message “Application error: a client-side exception has occurred”? This error message indicates that there is a problem with the client-side code of the application, meaning the error is occurring on your end, not a server issue.
Tips to Help Troubleshoot and Fix ‘Application error: a client-side exception has occurred’ on ChatGPT
Here are some steps you can take to fix the ChatGPT issue:

Method #1 – Clear Your Browser Cache and Cookies to Fix ChatGPT Issue
Outdated or corrupt files stored in your browser’s cache and cookies can cause conflicts with the website’s code. Clearing your cache and cookies can often resolve the issue on ChatGPT. Here’s how to do it:
Clearing Browsing Data on Google Chrome
- Click the three-dot menu icon in the top-right corner of your browser window, then click “More Tools” > “Clear browsing data.”
- In the “Time range” drop-down menu, select “All time,”
- Then check the boxes for “Cookies and other site data” and “Cached images and files.”
- Click “Clear data.”
Steps to Clear Cookies and Cache on Firefox
- Click the hamburger menu icon in the top-right corner of your browser window, then click “Library” > “History” > “Clear Recent History.”
- In the “Time range to clear” drop-down menu, select “Everything,”
- Then check the boxes for “Cookies” and “Cache.”
- Click “Clear Now.”
Remove Website Data on Safari
- Click “Safari” in the menu bar, then click “Preferences.”
- In the “Privacy” tab, click “Manage Website Data,”
- Then click “Remove All.”
- Click “Remove Now.”
Clear Cache and Cookies on Microsoft Edge

- Click the three-dot menu icon in the top-right corner of your browser window, then click “Settings” > “Privacy, search, and services.”
- Under “Clear browsing data,” click “Choose what to clear,”
- Then check the boxes for “Cookies and other site data” and “Cached images and files.”
- Click “Clear now.”
Method #2 – Disable Browser Extension Temporarily
Some browser extensions can interfere with the functioning of web applications. Try disabling all your extensions and see if the error persists. Here’s how to disable extensions on popular browsers:
Turn off Browser Extension on Google Chrome
Click the three-dot menu icon in the top-right corner of your browser window, then click “More Tools” > “Extensions.” Toggle the switch next to each extension to disable them.
Disable Browser Extension on Firefox
Click the hamburger menu icon in the top-right corner of your browser window, then click “Add-ons” > “Extensions.” Click the three-dot menu icon next to each extension, then click “Disable.”
Turn Off Browser Extension on Safari

Click “Safari” in the menu bar, then click “Preferences.” In the “Extensions” tab, uncheck the box next to each extension to disable them.
Disable Browser Extension Microsoft Edge
Click the three-dot menu icon in the top-right corner of your browser window, then click “Extensions.” Toggle the switch next to each extension to disable them.
Method #3 – Contact ChatGPT Customer Support
If none of the above steps work, it may be necessary to contact the support team for ChatGPT.
We trust that these straightforward steps have proven useful in resolving a common issue that often leaves users unsure of how to proceed.