Software⏱️ 3 min read📅 2026-06-11

How to Fix error 720 Error – VPN Connection shows error 720 in Windows 10

Troubleshooting VPN connection error 720 in Windows 10.

Quick Answer: Try resetting the VPN connection and checking for any updates to the VPN client software.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🛠️ Step-by-Step Verified Fixes
  3. ✨ Wrapping Up

VPN Connection shows error 720 in Windows 10. This issue affects individuals who are connected to a company's local network using VPN connections and are experiencing connectivity problems with their laptop.

This error can be frustrating, especially when other computers on the same network are able to connect successfully. In this guide, we will walk you through the steps to troubleshoot and potentially resolve the issue.

⚠️ Common Causes

  • The primary reason for this error is a configuration issue with the VPN connection settings. When a Network Reset was performed, it may have reset some of the VPN settings, leading to this error.
  • Another possible cause could be an incompatibility between the Comodo Firewall and the VPN software, which may be interfering with the connection.

🛠️ Step-by-Step Verified Fixes

Resetting VPN Connection Settings

  1. Step 1: Step 1: Go to Network and Sharing Center (Press Windows + X and select Network and Sharing Center). Click on 'Change adapter settings' on the left side.
  2. Step 2: Step 2: Right-click on your VPN connection and select 'Properties'. In the Properties window, click on 'Reset' button at the bottom.
  3. Step 3: Step 3: Confirm that you want to reset the VPN connection settings by clicking 'OK' in the pop-up dialog box.

Disabling Comodo Firewall

  1. Step 1: Step 1: Press Windows + R to open the Run dialog box, type 'msconfig' and press Enter.
  2. Step 2: Step 2: In the System Configuration window, click on the 'Startup' tab. Find Comodo Firewall in the list of startup programs and uncheck the box next to it.
  3. Step 3: Step 3: Click 'Apply' and then 'OK' to close the System Configuration window.

✨ Wrapping Up

If you have tried both methods above, but are still experiencing issues, try restarting your laptop and VPN client. If none of these steps resolve the issue, please contact your network administrator for further assistance.

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