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Fixing a network error during your Truffle interview

If you're seeing a Network Error while using Truffle, don’t panic. This usually points to an issue with your internet or browser settings.

Updated over 2 months ago

If you're seeing a Network Error while using Truffle, don’t panic—this usually points to a temporary issue with your internet connection or browser settings. Follow the steps below to get back on track quickly.

🔒 Reminder: Truffle will never ask you to install anything or run scripts to complete your interview. If something feels suspicious, let us know.

First, try these quick fixes

  • Refresh the page
    Press Cmd + R (Mac) or Ctrl + R (Windows) to reload the page and restart the connection.

  • Test your internet connection
    Open a new browser tab and visit any website to make sure you're connected.

  • Use Google Chrome
    Truffle works best in the latest version of Chrome. If you're using another browser, try switching.

  • Restart your device
    A quick reboot can resolve minor network hiccups.

  • Disable VPNs or browser security extensions (if possible)
    Sometimes VPNs or privacy tools block key functions—temporarily disabling them may help.

Still not working? Let’s go deeper

1. Check your internet speed

Go to fast.com or speedtest.net and make sure you have at least 5 Mbps upload and download speed. If not:

  • Move closer to your Wi-Fi router

  • Switch to a wired connection

  • Use your mobile hotspot as a backup

2. Clear your browser cache

Outdated data can interfere with how Truffle loads. Here’s how to clear it in Chrome:

  1. Click the three dots in the top-right corner

  2. Go to More tools > Clear browsing data

  3. Select Cached images and files and Cookies and other site data

  4. Click Clear data and restart Chrome

3. Disable browser extensions

Ad blockers, VPNs, or privacy extensions can block essential interview tools. To disable them in Chrome:

  1. Click the three dots

  2. Go to Extensions > Manage Extensions

  3. Toggle off anything that might interfere (you can turn them back on later)

4. Try another device or network

Still stuck?

  • Switch to a different device (laptop, phone, tablet)

  • Change networks (e.g., from Wi-Fi to mobile hotspot)

Need help?

We’re here for you. Chat with us using the bubble in the bottom-right corner of the page and we’ll help you troubleshoot ASAP.

Your interview matters—and we’ll make sure you get through it smoothly.

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