Fix Avast Bank Mode Not Working on Windows: Secure Browser Guide

August 21, 2025
Written By Digital Crafter Team

 

When it comes to online security, especially during banking transactions, users demand nothing less than the best. Avast’s Secure Browser offers a special feature known as Bank Mode, which creates a virtual desktop to isolate your browsing session from potential malware. However, many users find themselves frustrated when this feature doesn’t work as expected on Windows systems. In this guide, we’ll explore why Bank Mode may not be working, and how to fix it effectively.

What is Avast Bank Mode?

Bank Mode is a specialized feature in Avast Secure Browser designed to protect your sensitive online activities from spyware, keyloggers, and screen capture. It does this by launching a virtual desktop environment — like stepping into a clean room — allowing you to securely access financial websites.

Common Reasons Why Bank Mode Fails

If Bank Mode doesn’t launch or crashes during use, the reason could stem from several technical issues. Here are the most common culprits:

  • Outdated Avast Software: Running an older version of Avast or Avast Secure Browser can lead to compatibility issues.
  • Hardware Acceleration Conflicts: GPU-related problems often interfere with virtual desktop features.
  • Antivirus Conflicts: Other antivirus programs or even different Avast modules running concurrently can create interference.
  • Outdated Graphics Drivers: Since Bank Mode operates via virtual interface, outdated or incompatible drivers may prevent it from working.
  • Corrupted Files or Incomplete Installation: A glitch from an interrupted Avast installation or update can affect the Secure Browser’s ecosystem.

How to Fix Bank Mode Not Working

Follow these step-by-step solutions to get Bank Mode back on track. Start from the top and progress downward for the best results.

1. Update Avast and Secure Browser

Keeping your software up to date ensures you benefit from the latest features and patches.

  • Open Avast Antivirus
  • Go to Menu > Settings > General > Update
  • Click on Check for Updates under both ‘Virus Definitions’ and ‘Program’
  • Restart your PC once the updates are installed

2. Reinstall Avast Secure Browser

If the browser itself is malfunctioning, a clean reinstall might do the trick.

  • Uninstall Secure Browser from Control Panel > Programs and Features
  • Visit the official Avast site to download the latest version
  • Reinstall and attempt to launch Bank Mode again

3. Disable Hardware Acceleration

Hardware acceleration often interferes with virtual environments. To disable it:

  • Open Avast Secure Browser
  • Go to Settings > Advanced > System
  • Toggle off the option that says “Use hardware acceleration when available”
  • Restart the browser

4. Update Your Graphics Drivers

Bank Mode relies heavily on your system’s GPU. Here’s how you can refresh your drivers:

  • Open Device Manager
  • Go to Display adapters and right-click on your graphics card
  • Select Update driver and follow the prompts

5. Run a Clean Boot

Third-party software and services could be interfering with Avast. Try running a clean boot:

  • Press Windows + R, type msconfig, and press Enter
  • Under the Services tab, check “Hide all Microsoft services”
  • Click Disable all and restart your PC
  • Now, open Bank Mode and see if it functions

Extra Tips for a Better Experience

If you’ve made it this far and Bank Mode still isn’t working, consider these bonus solutions:

  • Use Administrator Access: Launch both Avast and the Secure Browser as an administrator.
  • Re-enable Virtualization: Go to BIOS settings and ensure virtualization is enabled.
  • Check for Malware: Run a full scan using Avast to ensure no background malware is affecting functionalities.

Conclusion

Bank Mode is a powerful tool that adds an extra layer of security to your financial transactions. While it can sometimes malfunction, it’s usually due to solvable issues like outdated software or hardware conflicts. By following the steps above, most users can restore the feature with minimal tech knowledge.

Online safety is no longer a luxury—it’s a necessity. So take a moment, update your tools, and let Avast Secure Browser do what it was built for: protecting your digital life with precision and ease.

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