Fix the Windows Defender disabled error on Windows 10, 8.1, 8

Buzz

Ngày cập nhật gần nhất: 15/4/2026

Frequently Asked Questions

1.

What steps should I follow to fix the Windows Defender disabled error?

To fix the Windows Defender disabled error, start by ensuring it's activated in the settings. Then, check the Real-Time Protection setting and verify that the Windows Defender Services are set to 'Automatic.' Use the Command Prompt to register DLL files and run commands to verify and salvage the WMI repository. Restart your computer to finalize the process.
2.

Do I need to install third-party antivirus software if Windows Defender is disabled?

No, you don’t need to install third-party antivirus software like Kaspersky or Norton if Windows Defender is disabled. You can fix the issue by following specific steps to reactivate Windows Defender, which is a secure option for protecting your computer from malicious software.
3.

How can I ensure that Windows Defender is running in automatic mode?

To ensure that Windows Defender is running in automatic mode, press Windows + R, type 'Services.msc', and check the Windows Defender Services. The Startup Type should be set to 'Automatic' for it to function correctly. If it's not, adjust the settings accordingly to enable it.
4.

What commands should I run in Command Prompt to fix Windows Defender issues?

In Command Prompt, run the following commands to fix Windows Defender issues: regsvr32 wuaueng.dll, regsvr32 wucltui.dll, regsvr32 softpub.dll, regsvr32 wintrust.dll, regsvr32 initpki.dll, regsvr32 wups.dll, regsvr32 wuweb.dll, regsvr32 atl.dll, regsvr32 mssip32.dll. After executing these, also run 'winmgmt /verifyrepository' and 'winmgmt /salvagerepository' to finalize the repairs.

Mytour's content is for customer care and travel encouragement only, and we are not responsible.

For errors or inappropriate content, please contact us at: [email protected]