The error code 0x80004ec is a Windows Defender error, occurring when you are turning on it. When this error occurs, you will see the warning message This program is blocked by group policy. For more information, contact your system administrator. (Error Code: 0x800704ec), as shown in the following picture:
After the computer has completely restarted, try to activate Windows Security Player, and then see if you need space for the group that was blocked by policy error 0x800704ec. In some cases, uninstalling a third-party antivirus did not solve this particular issue where Windows Defender was blocked by Group Policy. Then you need to change the PC key.
This method literally restores the Control Panel to fix the “This program has been blocked by group policies” error. Here is the instruction. Open Step 1: Control Panel, select Administrative Tools and open it.
Can’t sign in with a Microsoft account this program is blocked by group policy for more information contact your system administrator 0x800704ec?
Click Start > Settings > Privacy Feedback > and Diagnostics. Navigate to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DataCollection. Select “And disabled”, select “3-Full” from the drop-down menu.
How do I fix Windows Defender error code 0x800704ec?
Solution 1 – Disable/uninstall third-party antivirus Solution 2 – Use Registry Editor solution iii. Change group policy settings. Fix 4. Optimize the system. Access geo-restricted video content with a VPN. Don’t pay ransomware publishers, use alternative recovery options.
What is error 0x800704ec?
Error code 0x800704ec is considered to be an official notification from Windows, which ideally occurs in any variant of the Windows operating system when a PC user tries to activate Windows Defender. The most common cause of 0x800704ec on Windows 10 is due to an installed antivirus like Avast or AVG.
How do I fix error code 0x800704ec?
How to fix error code 0x800704ec?
- Turn on the Windows Defender service.
- Simply uninstall or temporarily disable third-party antivirus software.
- Use the registry editor.
- Edit group settings policy .
- Optimize the system.
How do I fix error 0x800704ec?
How to fix error code 0x800704ec?
- Turn on the Windows Defender service.
- Uninstall or temporarily disable third-party antivirus software.
- Use the Registry Editor.
- Change all group policy settings .
- Optimize all systems.
What is code 0x800704ec?
Error code 0x800704ec is an elegant Windows notification that can appear on any version of the Windows operating system when a key PC user tries to log into Windows Defender. … The most common reason why 0x800704ec appears on Windows 10 is due to installed antivirus support such as Avast or AVG.
How do I fix 0x800704ec?
What about the code to fix error 0x800704ec?
- Turn on the Windows Defender service.
- Uninstall or temporarily disable third-party antivirus tools.
- Use the Registry Editor.
- Edit group settings policy.< /li>
- Optimize the system.
What does 0x800704ec mean?
Error code 0x800704ec is an official notice from Windows that can appear on any version of the Windows operating system when a PC user tries to turn on Windows Defender. … The most common reason why 0x800704ec appears on Windows 10 is a running antivirus program like Avast or possibly AVG.
What is error code 0x800704ec?
Error code 0x800704ec is a recognizable Windows notification that can appear on any version of the Windows operating system when a real PC user tries to activate Windows Defender. … The most common reason for the 0x800704ec utility to appear on Windows 10 is due to the installed mainstream antivirus program such as Avast or AVG.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.