Windows Update Error 0x80080005

What is 0x80080005?

This error occurs when the Windows Update client fails to execute because the background service or security catalog database is corrupted, preventing Windows from downloading updates.

Common Causes

• Corruption within the system's security descriptor or Cryptographic service files.
• Issues with third-party security software blocking critical Windows Update API execution paths.
• Broken file permissions on the System Volume Information or SoftwareDistribution directories.

Step-by-Step Fix Guide

• 1
  Run DISM and SFC scans to check and restore component store integrity.
• 2
  Reset the Windows Update services and security database components.
• 3
  Manually grant full control permissions to the System Volume Information folder.

Commands & Diagnostics