Troubleshooting Guide: Windows Security Can't Be Started - Solutions and Fixes

Troubleshooting Guide: Windows Security Can’t Be Started – Solutions and Fixes

By /

Introduction

In the fast-paced digital world, maintaining a secure computing environment is of utmost importance. Windows Security, a built-in feature in Microsoft Windows operating systems, plays a crucial role in safeguarding your system from various threats. However, users may encounter issues where Windows Security can’t be started. In this comprehensive guide, we’ll delve into the possible causes and provide step-by-step solutions to resolve this problem.

Understanding the Issue

What Causes “Windows Security Can’t Be Started”?

Windows Security may fail to start due to various reasons, including:

  1. Corrupted System Files: If essential system files are corrupted, it can hinder the proper functioning of Windows Security.
  2. Third-Party Antivirus Interference: Conflict with third-party antivirus programs may prevent Windows Security from starting.
  3. Service Disruption: The underlying Windows Security services might be stopped or disabled, leading to startup issues.
  4. Malware or Virus Infection: Malicious software can compromise the integrity of system files, affecting the functionality of Windows Security.
  5. Outdated Windows Version: Running an outdated version of Windows can result in compatibility issues, impacting Windows Security.

Now, let’s explore each of these issues and discuss effective solutions.

Resolving the Issue: Step-by-Step Solutions

1. Checking for Corrupted System Files

Corrupted system files can significantly impact Windows Security. To address this:

a. Run SFC (System File Checker) Scan

  1. Press Win + X and select “Command Prompt (Admin)” or “Windows PowerShell (Admin).”
  2. Type sfc /scannow and press Enter.
  3. Wait for the scan to complete and follow any on-screen instructions to repair corrupted files.

2. Addressing Third-Party Antivirus Interference

a. Temporarily Disable Third-Party Antivirus

  1. Locate your third-party antivirus software in the system tray.
  2. Right-click on the antivirus icon and choose the option to disable or turn off the protection.
  3. Check if Windows Security can be started now.

b. Uninstall Conflicting Antivirus Software

  1. Press Win + I to open the Settings menu.
  2. Navigate to “Apps” and select the third-party antivirus program.
  3. Click on “Uninstall” and follow the on-screen instructions.
  4. Reboot your system and check if Windows Security is functional.

3. Checking and Restarting Windows Security Services

a. Verify Windows Security Services

  1. Press Win + R, type services.msc, and press Enter.
  2. Look for services like “Security Health Service,” “Windows Defender Antivirus Service,” and “Windows Defender Firewall.”
  3. Ensure that their statuses are set to “Running” and their startup types are set to “Automatic.”

b. Restart Windows Security Services

  1. Right-click on the respective service, select “Restart,” and confirm.
  2. Repeat this process for all relevant services.

4. Scanning for Malware or Virus Infection

a. Run a Full System Scan with Windows Security

  1. Open Windows Security by pressing Win + I and selecting “Update & Security.”
  2. Choose “Windows Security” and click on “Virus & threat protection.”
  3. Select “Quick Scan” or “Full Scan” and follow the prompts to remove any detected threats.

5. Updating Windows to the Latest Version

a. Install Windows Updates

  1. Press Win + I to open Settings.
  2. Navigate to “Update & Security” and select “Windows Update.”
  3. Click on “Check for updates” and install any available updates.
  4. Reboot your system after the updates are installed.

Conclusion

In this troubleshooting guide, we’ve explored the common causes behind the “Windows Security Can’t Be Started” issue and provided detailed steps to resolve each one. By addressing corrupted system files, dealing with third-party antivirus interference, ensuring the proper functioning of Windows Security services, scanning for malware, and keeping your Windows version up to date, you can enhance the security of your system.

Remember, a proactive approach to system maintenance, regular scans, and staying updated with the latest security patches contribute to a robust and secure computing environment. If the issue persists after following these steps, consider seeking assistance from Microsoft Support or relevant online forums to get personalized solutions for your specific scenario.

Scroll to Top