Windows Update Error 0x80070490

What is WU-0x80070490?

This high-severity issue affects the Windows operating system. The Component Store or Component-Based Servicing (CBS) manifest file is corrupted, causing Windows Update installation attempts to fail. It's also often linked to registry corruption inside the HKEY_LOCAL_MACHINE\Components registry hive. Use the steps below to track down and fix the cause.

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.

  "Run the DISM RestoreHealth command to download clean manifest files from Windows Update." is worth trying when corrupt manifest files inside the C:\Windows\Servicing\Packages system folder turns out to be the culprit.

• 2
  Run the SFC tool to scan and repair corrupted system files in the Windows folder.

  If earlier steps didn't help, "Run the SFC tool to scan and repair corrupted system files in the Windows folder." directly addresses corrupt manifest files inside the C:\Windows\Servicing\Packages system folder.

• 3
  If components are unrepairable, run a Windows repair install (in-place upgrade) using the Media Creation Tool.

  "If components are unrepairable, run a Windows repair install (in-place upgrade) using the Media Creation Tool." handles an edge case some users report with WU-0x80070490.

Commands & Diagnostics

Frequently Asked Questions