Software⏱️ 3 min read📅 2026-06-19

How to Fix: Basecamp Network Error only in Chrome

Basecamp network error in Chrome, Error 205 netERR_CERT_UNABLE_TO_CHECK_REVOCATION.

Quick Answer: Check Basecamp's SSL certificate status and update any outdated plugins or extensions.

The error 'Error 205 (net::ERR_CERT_UNABLE_TO_CHECK_REVOCATION): Unknown error' is occurring in Basecamp when using Chrome, causing frustration for users who rely on this platform. This issue affects only Chrome users and does not impact other browsers.

Debugging this problem requires a systematic approach to identify the root cause and apply the necessary fixes. By following these steps, you should be able to resolve the issue and resume using Basecamp with minimal disruptions.

⚠️ Common Causes

  • The primary reason for this error is that Chrome is unable to verify the SSL certificate of the Basecamp website. This can occur due to a misconfiguration or an outdated version of the SSL certificate. As a result, Chrome's security features flag this as an unknown error.
  • Another possible cause could be a conflict between a specific addon/plugin installed in Chrome and its interaction with Basecamp's SSL certificate.

✅ Best Solutions to Fix It

Clearing Chrome's SSL Certificate Store

  1. Step 1: Open the Chrome browser and navigate to chrome://settings/advanced. Scroll down to the 'System' section and click on 'Reset and clean up Google Chrome'. Confirm that you want to reset Chrome.
  2. Step 2: After resetting Chrome, restart the browser to ensure all changes take effect. This will clear any corrupted SSL certificate data from Chrome's cache.
  3. Step 3: Next, navigate to chrome://settings/cookies and clear all cookies for the basecamp.com domain. This will remove any outdated or conflicting cookie data that may be contributing to the error.

Updating Chrome and Basecamp Addons

  1. Step 1: Open the Chrome browser and navigate to chrome://settings/advanced. Scroll down to the 'System' section and click on 'Update Google Chrome'. Ensure that you have the latest version of Chrome installed.
  2. Step 2: After updating Chrome, restart the browser to apply the changes. Next, check if any Basecamp addons are outdated and update them to their latest versions using the Chrome Web Store.

✨ Wrapping Up

By following these steps, you should be able to resolve the 'Error 205 (net::ERR_CERT_UNABLE_TO_CHECK_REVOCATION): Unknown error' in Basecamp when using Chrome. Remember to regularly check for updates and clear Chrome's SSL certificate store to prevent similar issues from arising.

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