Check if Microsoft Windows Defender does not start on Windows 10 issue still occurs. Method 9: Reset PC This is considered to be the last resort when the above mentioned fails to fix the issue.

Fix Windows Defender This program is blocked by group policy, Error Code 0x800704ec on Windows 11/10 using Registry or Group Policy Editor.

Having trouble accessing the Windows Defender Scans folder? Learn how to gain access and delete scan history with these helpful techniques.