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
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1
Run the DISM RestoreHealth command to download clean manifest files from Windows Update.
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2
Run the SFC tool to scan and repair corrupted system files in the Windows folder.
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3
If components are unrepairable, run a Windows repair install (in-place upgrade) using the Media Creation Tool.
Commands & Diagnostics
DISM /Online /Cleanup-Image /RestoreHealthsfc /scannowStill Need Help?
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