FIX: Windows Defender won’t update error 0x80240016

Windows Defender is a feature found in Windows software that acts like a built-in antivirus for the operating system. However, sometimes during the update of Windows Defender users are prompted with an error code 0x80240016. If you were also prompted with this error then you can fix this using the below-mentioned solutions.

How to fix the windows defender update error 0x80240016?

Check for malware:

It may be possible that your computer is attacked and infected by malware, which is causing the windows defender update error 0x80240016. So you should consider running a malware check on your antivirus and remove any existing malware on your system.

Reset Windows update components:

• Press the Windows key + X key
• And run the command prompt as admin
• And then type in the following command
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Ren C:WindowsSoftwareDistribution SoftwareDistribution.old
Ren C:WindowsSystem32catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
• Let the command run and then restart your PC

Restart the Windows Update service:

  • Open the command prompt and run it as admin
  • Then type the following command in the cmd:

net stop wuauserv

net start wuauserv

  • Let the command run and restart the PC


If this article helped you fix the error then, please let us know in the comments section below.

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