
If User account control (UAC) prompt appears, click OK. Right-click on Command Prompt result and click Run as Administrator from the drop down menu.You can actually just type 'cmd' instead of Command Prompt but in this guide, we want to make things a bit clearer for our readers. At the search bar on your Windows 10 which is located at the lower left, type ” Command Prompt”.Try to run SFC scan and see if it fixes the issue If you encounter error message, it is possible that there is a corrupt system files on your computer. System File Checker (SFC) is a built-in utility on Windows that allows users to scan the computer for corrupted system files and fix it. This action refreshes the operating system and remove any corrupt data that could be causing the problem. Listed below are troubleshooting methods that you can try in order to fix the issue with Windows Defender does not start on Windows 10.īefore performing any of the recommended troubleshooting solution methods listed below it’s best to restart your computer first. Other than that, a third party antivirus program that conflicts Windows Defender can also be the culprit. There are factors that can cause this error to appear such as a corrupt registry key of Windows Defender to a disabled windows defender. Fix Windows Defender Won’t start on Windows 10 PC


In this latest installment of our troubleshooting series we will tackle the ways on how to fix Windows Defender Won’t start issue.


However, There have been reports from many users experienced the program does not turn on as the defense program whenever they start Windows Defender Antivirus but instead gets an error code 0x80070422 message “The service couldn’t be started. The service cannot be started, either because it is disabled or because it has no enabled devices associated with it.” is shown on the screen. A program that gives real-time protection of your computer against threats such as malware and spyware. Windows Defender Antivirus or also called Windows Defender Security Center is a built-in antivirus program of Windows.
