Software⏱️ 3 min read📅 2026-06-11

How to Fix: Chrome Error Message: You are using an unsupported command-line flag: --extensions-on-chrome-urls. Stability and security will suffer

Chrome Error Message: Unsupported Command-Line Flag --extensions-on-chrome-urls. Stability and security will suffer.

Quick Answer: Try disabling or uninstalling any recently installed extensions to resolve the issue.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🛠️ Step-by-Step Verified Fixes
  3. 🎯 Final Words

The Chrome browser has encountered an error message indicating that you are using an unsupported command-line flag: --extensions-on-chrome-urls. This issue affects users who have recently installed or updated extensions on their Chrome browser.

This error can be frustrating, especially when it causes instability and security concerns. In this troubleshooting guide, we will walk you through the possible reasons for this error and provide steps to resolve the issue.

💡 Why You Are Getting This Error

  • The primary reason for this error is that the --extensions-on-chrome-urls flag was deprecated in Chrome 91 and removed in Chrome 93. This flag allows users to enable extensions on URLs, which can pose security risks.
  • An alternative reason could be that you have recently installed or updated an extension that uses this flag. Some extensions may not be compatible with the latest version of Chrome.

🛠️ Step-by-Step Verified Fixes

Disable and Re-enable Extensions

  1. Step 1: Step 1: Open the Chrome browser and navigate to chrome://extensions/.
  2. Step 2: Step 2: Toggle the switch next to the problematic extension to disable it.
  3. Step 3: Step 3: Wait for a few seconds and then toggle the switch again to enable the extension. This will force Chrome to re-register the extension.
  4. Step 4: Step 4: If the issue persists, try disabling all extensions and then re-enabling them one by one to identify the specific extension causing the problem.

Update Chrome and Extensions

  1. Step 1: Step 1: Open the Chrome browser and navigate to chrome://version/.
  2. Step 2: Step 2: Check if you are running the latest version of Chrome. If not, update Chrome to the latest available version.
  3. Step 3: Step 3: Open the Google Chrome Web Store and check for updates on all installed extensions. Install any available updates.
  4. Step 4: Step 4: After updating Chrome and extensions, try opening the browser again to see if the issue persists.

🎯 Final Words

By following these steps, you should be able to resolve the 'You are using an unsupported command-line flag: --extensions-on-chrome-urls' error in Chrome. If the issue persists, consider reaching out to our support team for further assistance.

Did this fix your problem?

If not, try searching for specific error codes.

🔍 Search Error Database

❓ Frequently Asked Questions

🛠️ Related Fixes

How to Fix: Pc crashes shortly after launching game (rainbow

Fix Pc crashes shortly after launching game (rainbow six siege). Compl

How to Fix: Installing an APK on a locked down phone

Installing an APK on a locked down phone: Try using a rooted device, e

How to Fix: New PC build- no signal and no clue

Fix New PC build- no signal and no clue. Complete troubleshooting guid