Quick Summary
Error 400 on Discord signifies a 'Bad Request'. This indicates that the server couldn't understand the request sent by your client, usually due to malformed syntax or invalid parameters.
Common Causes
- Malformed Request: The request being sent to the Discord server contains incorrect syntax or data that the server cannot process.
- Invalid Parameter: One or more of the parameters included in the request are invalid or out of the allowed range.
- Outdated Client: An outdated Discord client might not be sending requests in a format compatible with the current server requirements.
- Corrupted Cache/Data: Corrupted cached data or local files can lead to improperly formatted requests.
Step-by-Step Fixes
Method 1: Restart Discord Show Steps ↓
Step 1: Close Discord completely, ensuring it's not running in the system tray.
Step 2: Re-open Discord and check if the error persists.
Method 2: Update Discord Show Steps ↓
Step 1: Close Discord completely.
Step 2: Re-open Discord. The client should automatically check for updates and install them.
Step 3: If it doesn't update automatically, try to trigger the update manually by pressing Ctrl+R.
Step 4: Check if the error persists after updating.
Method 3: Clear Discord Cache Show Steps ↓
Step 1: Close Discord completely.
Step 2: Press Windows Key + R to open the Run dialog box.
Step 3: Type %appdata% and press Enter.
Step 4: Locate the Discord folder and delete it.
Step 5: Restart Discord. It will rebuild the cache.
Method 4: Clear Discord Local Storage Show Steps ↓
Step 1: Close Discord completely.
Step 2: Press Windows Key + R to open the Run dialog box.
Step 3: Type %localappdata% and press Enter.
Step 4: Locate the Discord folder and delete it.
Step 5: Restart Discord.
Method 5: Reinstall Discord Show Steps ↓
Step 1: Uninstall Discord from your computer through the Control Panel (Windows) or Applications folder (macOS).
Step 2: Download the latest version of Discord from the official Discord website.
Step 3: Install Discord.
Method 6: Check Internet Connection Show Steps ↓
Step 1: Ensure that you have a stable and active internet connection.
Step 2: Try restarting your router or modem.
Step 3: Try using a wired Ethernet connection instead of Wi-Fi to rule out Wi-Fi issues.