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How do I fix a network error during my interview?

A Network Error almost always means a temporary problem with your internet connection or browser settings. Refresh the page, check your connection, and use the latest Chrome — then work through the deeper fixes if it persists.

For candidates seeing a Network Error during a Truffle interview.


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If you're seeing a Network Error, don't panic — it almost always points to a temporary problem with your internet connection or browser settings, not your interview. Work through the quick fixes below first, then the deeper steps if you're still stuck.


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Safety note: Truffle will never ask you to install software or run scripts to complete your interview. If something prompts you to, it isn't us — let us know.


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Quick fixes to try first

Most network errors clear up with one of these:


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

  • Test your internet — open a new tab and visit any website to confirm you're online.

  • Use Google Chrome — Truffle works best in the latest version; if you're on another browser, try switching.

  • Restart your device — a quick reboot resolves many minor network hiccups.

  • Disable VPNs or security extensions — privacy tools sometimes block key functions; turn them off temporarily.


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Check your internet speed

A slow connection is the most common cause. Visit fast.com or speedtest.net and confirm you have at least 5 Mbps upload and download. If you don't:


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  • Move closer to your Wi-Fi router

  • Switch to a wired connection

  • Use your mobile hotspot as a backup


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Clear your browser cache

Outdated data can interfere with how Truffle loads. To clear it in Chrome:


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  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, then restart Chrome.


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Disable browser extensions

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


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  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).


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Try another device or network

If you're still stuck, switch it up — your progress is saved:


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  • Move to a different device (laptop, phone, or tablet).

  • Change networks (for example, from Wi-Fi to a mobile hotspot).


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Still need help?

Chat with us using the bubble in the bottom-right corner of the page and we'll help you troubleshoot.


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