How to fix Windows Update error 0xc8000247 (Nothing else worked)

What is error 0xc8000247? How to fix it?

Error 0xc8000247 appears when the user attempts to update Windows, or the Windows update services attempts to install an update automatically. Also, this error appears when Windows Defender (Microsoft Security Essentials) cannot download the latest updates.

Often times, this error is accompanied by one of the notifications below:

“Installer encountered an error: 0xC8000247”
“Windows Update Service is not running”
“Windows Update could not run”

The most common reasons behind this error are:

• Antivirus software;
• Malicious software (virus);
• Corrupt Windows Update component;
• Corrupt system files;
• Internet connection issues.
  
  

To fix this Windows update error, feel free to check the solutions listed below, and follow them carefully.