Question: Error Code 0x800705b4 When Starting Windows Defender?

What is ‘Windows Defender error code 0x800705b4’? The error may be caused by the operating system’s failure to update itself, Windows system files are damaged or corrupted, the service update is not configured to automatic, there is a registry error, or even due to a malware or virus.

How do I fix error 0x800705b4?

Steps To Fix Error 0x800705b4

  1. Step 2: Run Windows Updates Troubleshooter.
  2. Run SFC scan.
  3. Step 4: Delete Software Distribution Folder.
  4. Step 5: Disable updates for other Microsoft products.
  5. Step 6: Uninstall the Problematic Updates.
  6. Step 7: Download and Install Windows Updates Manually.

How do I fix Windows Defender error?

If you have installed any other security or antivirus program, then disable it or uninstall it to clear this Windows Defender Error Code. Check if the firewall is turned on. In case there is an antivirus program and firewall installed on your system, then you have to turn on the firewall to Fix Windows Defender Error.

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Why my Windows Defender is not opening?

Windows Defender is disabled by Windows if it detects presence of another antivirus. Therefore, before enabling it manually, it must be ensured that there are no conflicting softwares and system is not infected. To enable Windows Defender manually, follow these steps: Press Windows key + R.

Is Avira compatible with Windows Defender?

If, for instance, you install Avira Antivirus, Windows 10 disables Defender automatically and no conflicts are caused. If, for example, you use Avira Internet Security Suite, you can also have Defender scan for threats.

How do I fix error code 0x80070002?

How can I fix Windows Update error 0x80070002?

  1. Stop Windows Update Service.
  2. Delete temporary update files in Software Distribution folder.
  3. Restart Windows Update Service.
  4. Check which updates are installed.
  5. Use DISM or System Update Readiness Tool.
  6. Run the App Troubleshooter.
  7. Perform a clean boot.

How do I fix a corrupted Windows Update?

How to reset Windows Update using Troubleshooter tool

  1. Download the Windows Update Troubleshooter from Microsoft.
  2. Double-click the WindowsUpdateDiagnostic.
  3. Select the Windows Update option.
  4. Click the Next button.
  5. Click the Try troubleshooting as an administrator option (if applicable).
  6. Click the Close button.

How do I force Start Windows Defender?

Turn on real-time and cloud-delivered protection

  1. Select the Start menu.
  2. In the search bar, type Windows Security.
  3. Select Virus & threat protection.
  4. Under Virus & threat protection settings, select Manage settings.
  5. Flip each switch under Real-time protection and Cloud-delivered protection to turn them on.

How do I reset Windows Defender settings?

How to Reset Windows Defender Firewall

  1. Navigate to the Start menu and open the Control Panel.
  2. Click on the Windows Defender tab and choose the Restore defaults option from the left side panel.
  3. Click on the Restore defaults button and confirm your action by clicking Yes in the confirmation window.
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Why can’t I open Windows Defender in Windows 10?

If Windows Defender real-time protection won’t turn on Windows 10, then you should check its settings. Sometimes, the date and time settings are the reason why Windows Defender won’t turn on. Using dedicated software solves the failure of the Windows Defender antivirus to turn on in Windows 10.

Why is my Windows Defender antivirus turned off?

If Windows Defender is turned off, this may be because you have another antivirus app installed on your machine (check Control Panel, System and Security, Security and Maintenance to make sure). You should turn off and uninstall this app before running Windows Defender to avoid any software clashes.

How do I turn off Windows Defender 2020?


  1. Open Windows Start menu.
  2. Type Windows Security.
  3. Press Enter on keyboard.
  4. Click on Virus & threat protection on the left action bar.
  5. Scroll to Virus & threat protection settings and click Manage settings.
  6. Click the toggle button under Real-time protection to turn off Windows Defender Antivirus temporarily.

Which is better Windows Defender or Avira?

Avira is better than Windows Defender in terms of both malware protection and the impact on system performance. But Norton, which is our recommended antivirus software for 2021, is even better.

Is Windows Defender good enough 2020?

In AV-Comparatives’ July-October 2020 Real-World Protection Test, Microsoft performed decently with Defender stopping 99.5% of threats, ranking 12th out of 17 antivirus programs (achieving a robust ‘advanced+’ status).

Does Windows Defender Slow PC?

Another Windows Defender feature that may be responsible for slowing down your system is its Full Scan, which performs a comprehensive check of all files on your computer. While it is normal for antivirus programs to consume system resources when running a scan, Windows Defender is far greedier than most.

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