Windows Update Error 0x80070490

What is WU-0x80070490?

The Component Store or Component-Based Servicing (CBS) manifest file is corrupted, causing Windows Update installation attempts to fail.

Common Causes

• Corrupt manifest files inside the C:\Windows\Servicing\Packages system folder.
• Registry corruption inside the HKEY_LOCAL_MACHINE\Components registry hive.
• Interrupted write operations caused by sudden power failures or system crashes during update installations.

Step-by-Step Fix Guide

• 1
  Run the DISM RestoreHealth command to download clean manifest files from Windows Update.
• 2
  Run the SFC tool to scan and repair corrupted system files in the Windows folder.
• 3
  If components are unrepairable, run a Windows repair install (in-place upgrade) using the Media Creation Tool.

Commands & Diagnostics