How to Fix Fix Error 0x8007049B — Windows Update Manifest Corruption on Windows
Getting error 0x8007049B during Windows Update? Update manifest file corrupted? Component manifest validation failed? Update package metadata invalid? CBS manifest parsing error? Fix this Windows Update manifest corruption error.
📖
Main Troubleshooting Guide
How to Fix Windows Update Errors →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Windows Update fails with error 0x8007049B
- •CBS log shows manifest validation failure
- •Specific updates repeatedly fail with this error
- •Feature update stops during component installation phase
- •DISM operations report manifest corruption
- •System component registration fails with this error
Common Causes
- ⚠Component store manifest files corrupted on disk
- ⚠Incomplete previous update left partial manifest entries
- ⚠Disk errors affecting Windows component store area
- ⚠Third-party system tools modified component manifests
- ⚠Power loss during update caused manifest inconsistency
- ⚠Anti-virus quarantined component manifest files
Solutions
Solution 1: Repair Component Store Manifests
- 1Use DISM to repair the component store:
- 2CMD as Admin:
- 3DISM /Online /Cleanup-Image /CheckHealth
- 4If corruption detected:
- 5DISM /Online /Cleanup-Image /RestoreHealth
- 6This downloads fresh manifests from Windows Update
- 7If DISM fails (no internet or source issues):
- 8Mount Windows ISO or use installation media:
- 9DISM /Online /Cleanup-Image /RestoreHealth /Source:D:\sources\install.wim
- 10After DISM completes:
- 11sfc /scannow
- 12Restart PC
- 13Check for updates again
Solution 2: Reset Windows Update Components
- 1Full component reset to clear corrupt manifests:
- 2CMD as Admin:
- 3net stop wuauserv
- 4net stop cryptsvc
- 5net stop bits
- 6net stop msiserver
- 7net stop trustedinstaller
- 8ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
- 9ren C:\Windows\System32\catroot2 catroot2.old
- 10net start trustedinstaller
- 11net start wuauserv
- 12net start cryptsvc
- 13net start bits
- 14net start msiserver
- 15Retry Windows Update
Solution 3: Check Disk and Manual Update
- 1Manifest corruption may be caused by disk errors:
- 2CMD as Admin:
- 3chkdsk C: /f /r
- 4Schedule for next restart → restart PC
- 5After disk check completes:
- 6Run DISM /Online /Cleanup-Image /RestoreHealth again
- 7Then sfc /scannow
- 8If specific KB keeps failing:
- 9Download it manually from catalog.update.microsoft.com
- 10Install the standalone .msu file
- 11For persistent manifest issues:
- 12In-place upgrade using Media Creation Tool
- 13This rebuilds all component manifests from scratch
- 14Your apps and files are preserved
FIXES THIS IN 5 MINUTES
Fix Fix Error 0x8007049B — Windows Update Manifest Corruption Automatically
RescuePC Toolkit includes 109+ automated repairs that fix this problem with one click. No command line knowledge required.
Download Now - Free TrialNo credit card required • Works on Windows 10 & 11