How to remove adware from Windows

Complete guide with multiple methods and troubleshooting for removing adware from Windows.

7-10 min read
Expert Verified
Last Updated: August 2025

Quick Answer

To remove adware from Windows, you can use built-in tools like Windows Defender, third-party antivirus software, or manual removal methods. Each method has its own steps and effectiveness, depending on the severity of the adware infection.

Easy⏱ 7-10 min read

Prerequisites & Requirements

Before starting the adware removal process, ensure you have the following:
  • •Windows 10 or Windows 11 installed on your PC.
  • •Administrator access to perform system changes.
  • •An internet connection for downloading tools if necessary.
  • •Backup important data to avoid accidental loss during the removal process.

Method 1: Using Windows Defender

This method is effective for users who prefer built-in tools to remove adware. Windows Defender is capable of detecting and removing many types of adware.
  • •Step 1: Press the Windows key + I to open Settings.
  • •Step 2: Click on 'Privacy & security' from the sidebar.
  • •Step 3: Select 'Windows Security' and then click on 'Virus & threat protection'.
  • •Step 4: Click on 'Quick scan' to check for threats. For a deeper scan, select 'Scan options' and choose 'Full scan'.
  • •Step 5: Follow the prompts to remove any detected threats.
  • •Step 6: Restart your computer and verify that the adware is gone by checking your browser settings.

For Windows 11

Windows 11 users will find the interface slightly different but the steps are similar.
  • •Step 1: Click on the Start button and select 'Settings'.
  • •Step 2: Navigate to 'Privacy & security' > 'Windows Security'.
  • •Step 3: Click 'Virus & threat protection' and select 'Scan options'. Choose 'Full scan' for thorough checking.

For Windows 10

Windows 10 users will follow nearly identical steps.
  • •Step 1: Right-click on the Start button and select 'Settings'.
  • •Step 2: Go to 'Update & Security' > 'Windows Security'.
  • •Step 3: Click on 'Virus & threat protection' and then 'Scan options'. Choose 'Full scan' for a comprehensive check.

Method 2: Using Third-Party Antivirus Software

If Windows Defender does not remove the adware, consider using reputable third-party antivirus software.
  • •Step 1: Download a trusted antivirus program such as Malwarebytes or Bitdefender.
  • •Step 2: Install the software by double-clicking the downloaded file and following the installation prompts.
  • •Step 3: Open the antivirus software and update it to the latest version.
  • •Step 4: Run a full system scan and allow the software to remove any detected adware.
  • •Step 5: Restart your computer and check your browser settings to ensure the adware is removed.

Troubleshooting Common Issues

If you encounter issues during the adware removal process, consider the following solutions:
  • •Error: 'Windows Defender is turned off' - Solution: Go to Settings > Privacy & security > Windows Security and turn it back on.
  • •Issue: 'Adware still appears after removal' - Fix: Check your browser extensions and reset your browser settings to default.
  • •Problem: 'Antivirus software fails to install' - Workaround: Temporarily disable Windows Defender and any other security software before installation.

Advanced Tips & Shortcuts

For users looking to enhance their adware removal process, consider these tips:
  • •Keyboard shortcut: Ctrl + Shift + Esc - Opens Task Manager to check for suspicious processes.
  • •Command line: 'sfc /scannow' - Scans and repairs system files that may be affected by adware.
  • •Hidden feature: 'Reset this PC' - Access through Settings > System > Recovery to perform a clean installation if adware persists.

Common Mistakes to Avoid

Avoid these common pitfalls:

Expert Tips

Using a combination of tools and regular maintenance can significantly reduce the risk of adware infections.