When updating Windows Defender, you may encounter the error code 0x80004004.
It happens when Windows Defender fails to download updated definitions from the Microsoft website.
So, how can you fix this error code?
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This tutorial written byMiniToolis for you.
How to fix Windows Defender error 0x8007139f?
To keep your PC safe well, it is essential to fix this issue.
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In the following part, lets see some possible methods.
What if you meet the error this setting is managed by your administrator when using Windows Defender?
Find solutions from this post now.

Step 2: LocateWindows Defender Antivirus Serviceand see to it itsStartup Typeis set toAutomatic.
To get rid of this error, you might disable that program temporarily.
To get rid of Windows Defender 0x80004004, you could run a scan with this tool.
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Step 1: ClickCortana, inputcmdand right-click it to chooseRun as administrator.
Step 2: Input thesfc /scannowcommand and pressEnter.
Step 3: This will take some time, so wait patiently.
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To fix this issue, you might drop in the latest drivers for your PC.
Windows Security missing in Windows 11/10 is a common issue on your PC after an update.
If you meet it, try these solutions here to easily fix it.