How to Fix Windows Defender Error 0x800704ec

9 September 2020

Error Codes on the Windows OS are prevalent nowadays. they're like rain on a monsoon day, inevitable. Error Codes begin of nowhere like bugs and get fixed upon performing a simple restart. But sometimes they harm the system also. Today we'll discuss one such Error Code 0x800704ec. To our contradiction, this code generates in two forms. Some users say that it came when they were trying to use or update the Windows Defender, whereas the other users found this error code when installing applications from Windows Store. We are sure that if you've got landed here, you, too, are experiencing a similar error code in one of the two forms. So let’s get started.
The Way how to FIX Windows Defender 0X800704EC Error
There are some ways to fix error code 0x800704ec. you'll try one of them by yourself at home or bring it to a PC doctor or computer service.
Fix 1.Disable/Remove Third-Party Anti-virus
As we've already acknowledged, first of all, check if your PC has more than one anti-virus software running. If you installed a third-party antivirus program a while ago, then it’s not surprising why you can’t activate Windows Defender right now. To fix the 0x800704ec error, remove the third-party anti-virus from the system. For this purpose, you'll either use Reimage or stop the method of your anti-virus via Task Manager then uninstall it from the Add/Remove Programs in control Panel:
. Open Avast antivirus program
. in the upper right click on the Menu button and select Settings
. Then select Troubleshooting
. Find and uncheck the box at Enable Avast self-defense module
. Click OK then confirm by clicking Yes
. Press Ctrl+ Shift + Esc
. Find and right-click on your security software and choose End task
. in the search box, type in Apps & Features
. Scroll down to the security software, and click Uninstall
. Restart your PC.
Fix 2: Change Values in Registry Editor
Changing the values on the registry editor for Windows Defender may help solve this problem of error code 0x800704ec. So to do this, follow the steps below.
. Press the Windows+R button together, Run dialogue box opens.
. In the Run dialog box, then type Regedit.
. in the Registry Editor window, copy and paste this address: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
. Now on the left, you'll find a key named “Default” double click on that and change the value to 0.
. Click OK and exit Registry Editor.
. Now restart the computer.
From now onwards, you won’t see the error code popping up the other time.
Fix 3: Change the Settings of Group Policy
Here, we'll demonstrate the fourth solution to the Windows Defender error code 0x800704ec. Windows Defender error can occur when Windows Defender is blocked by Group Policy. So so as to solve this problem, you'll try changing the settings of Group Policy.
The following section will show you the detailed operation steps.
Step 1: Open Local Group Policy Editor
. Press the Windows key and the R key simultaneously to open the run dialog.
. Type gpedit.MSC within the box and click on ok to continue.
Step 2: Change the settings of Group Policy
. in the Local Group Policy Editor window, navigate to the Windows Defender Antivirus folder.
. On the right side, select Close Windows Defender Antivirus and double-click it to continue.
. in the pop-up window, select the Not Configured, then click Apply and ok to continue.
When you have finished all steps, you'll reboot your computer and then run Windows Defender again to see whether the Windows error code 0x800704ec is solved.
Fix 4: Optimize the System
As mentioned within the above section, the corrupted system files also can lead to the error code 0x800704ec. So, you'll optimize the system to fix this Windows Defender error.
Thus, open the command prompt and run it as an administrator to continue. Then type the command SFC /scannow to continue. If the SFC / scannow command fails to figure, you'll click here to know more. When the process is finished, you'll reboot your computer and restart the Windows Defender to see whether the error code 0x800704ec is solved.
After trying all solutions, the error code 0x800704ec may be solved. So, if you've got encountered a similar problem when turning on Windows Defender, try the above solutions one by one.
From the above information, you'll find that Windows Defender sometimes may fail to work or your computer may suffer other problems. So, after you've got solved all problems or when your computer in a normal state, you had better create a system image to keep your data safe. The system image can be wont to restore your computer to an earlier state. in this way, maybe you'll try the professional backup software – MiniTool ShadowMaker.