This is a typical Windows Defender error with the error code 0x800704ec. Whenever this error pops up on the screen, there will be a warning message attached to it. The message would be “Blocked by our group policy. For more information, contact your system administrator. Error code 0x800704ec”. The error will be something like in the given picture.

Error Code 0x800704ec

Why and why the 0x800704ec Error occur?

After knowing what the error code is, there must be a curiosity to know the reason behind this error. So, talking about the reasons several possibilities might have triggered this error code. Sometimes, it can get complicated to pinpoint the main culprit because concern varies from system to system. However, there is some common cause of errors that most of the user’s face are as follows:

  • Damaged Registry files
  • Third-party anti-virus
  • Corrupted group policy

The above mentioned three causes are the most common that forced out the error code 0x800704ec.

Method 1: Turn on Windows Defender Services

Switching on the Windows Defender Services is a must for this solution to the wok. So follow the following steps to turn on Windows Defender Services:

  1. Open Windows services:
  • To do that press the “R” button and the “Win” button simultaneously. This will open up the Run window.
  • Type in services.msc inside the box and click enter
  1. Switch On Windows Defender Services
  • After the first step, a pop-up window will appear on the screen. Then, search for all the “Windows Defender Antivirus Network Inspection Service”, “Windows Defender Antivirus Service”, “Windows Defender Firewall”, “Windows Defender Security Centre Service” and “Windows Defender Advanced Threat Protection Service”.
  • After finding all the above mentioned Windows Defender services, start to right-click on each one of them and enable them one at a time.
Windows Defender Restart
Windows Defender Restart in Services

After turning on the process of Windows Defender is complete, reboot the PC and check on Windows Defender to see if the problem has been solved or not.

Method 2: Switching off or disabling the third party Anti-virus

It is essential in today’s day and age to have a third party anti-virus that will protect your system from virus attacks. They are given free rein to stop or prevent any process that they might want to stop. This is the reason why they might force the error code 0x800704ec. The easiest solution to the error is switching off the anti-virus installed in the system and testing if it does the trick. To disable or uninstall the third-party anti-virus follow the following steps:

  1. Open “Control Panel” by searching in the Search box.
  2. Go to the “Uninstall a program” option and then locate the third party anti-virus software and uninstall it.

Also, try to reboot the system once the anti-virus has been switched off. Check on Windows Defender to see if the problem has been solved or not.

Method 3: Registry Editor

The use of Registry Editor to fix error code 0x800704ec is quite a common practice among Windows users. To use this solution, kindly follow the below-mentioned steps:

  1. Open Registry Editor
  • Open the “Run” window by pressing the “Win” + “R” together.
  • In the search bar type in “regedit” and proceed to “OK”.

Run Regedit

  1. Value Data change
  • In the Registry Editor window, go to the Windows Defender folder by the following method

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

Windows Defender REg Editor

  • On the right-hand side, go to REG_SZ key and double-tap it. Then set the value to 0. Press OK to continue further.

Also, try to reboot the system once the anti-virus has been switched off. Check on Windows Defender to see if the problem has been solved or not.

Method 4: Alter the Settings of Group Policy

To solve the Group Policy, issue the following method will be very useful as it is tried and tested. This Group Policy has been the core reason behind most of the error code 0x800704ec. The details of the process are further explained:

  1. Go to Local Group Policy Editor
  • Open the “Run” window by pressing the “Win” + “R” together.
  • Then, type in “gpedit.msc” and then proceed with OK.
  1. Alter the settings of the Group Policy
  • Inside the Local Group Policy Editor, visit the Windows Defender Antivirus folder.

Group Policy Editor

  • Go to the right side and turn off Windows Defender Antivirus and double tap on it proceed forward.
  • There will be an appearance made by a pop-up menu and then, select “Not Configured”, go to “Apply” and press the “OK’ option.

Windows Defender

Method 5: System Optimization

The two command-line utilities known as the DISM and SFC will fix the issue. The DISM (Deployment Image Servicing and Management) will conduct a complete check on the system and automatically fix it if it spots one. System file Checker (SFC) is a scanning tool that scans the computer and repairs the corrupted files.

Run the safe mode and open the System File Checker. Follow the following steps:

  1. As an administrator run command prompt
  2. Put the command sfc/scannow and hit the “Enter” key. Please wait for the checks to happen and after, it is done reboot the system.

Kindly do not shut down the command prompt while running the scan as this will not yield good results.

Conclusion on 0x800704ec Error

The error code 0x800704ec has been around for quite a while now. But, Windows seems to fail at permanently putting an end to the error. All the methods mentioned above work pretty well and have high chances of solving the problem. Still, if the problem persists then, the lender of the last resort would be to visit a nearby professional shop. The professionals at the shop can easily get to the root cause of the problem. They can also check for any faulty hardware as this seems to be quite common in this kind of errors.

 

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