How to Fix Windows Update Error 0x80070002 (File Not Found) on Windows
Getting error 0x80070002 when trying to install Windows updates? This FILE_NOT_FOUND error means update components are missing or corrupted. Full fix guide.
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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 code 0x80070002
- •Update downloads successfully but fails during installation
- •"The system cannot find the file specified" in update logs
- •Multiple different updates all failing with the same error
- •Windows Update troubleshooter detects but can't fix the issue
- •CBS.log shows "file not found" entries for update packages
Common Causes
- ⚠SoftwareDistribution folder contains corrupted download cache
- ⚠Windows Update component store (WinSxS) has missing manifests
- ⚠System date/time incorrect causing certificate validation failures
- ⚠Third-party antivirus quarantined Windows Update files
- ⚠Previous failed update left orphaned installation files
- ⚠Damaged Windows Update Agent registration
Solutions
Solution 1: Clear Windows Update Cache
- 1Open Command Prompt as Administrator
- 2Stop update services: net stop wuauserv && net stop bits && net stop cryptsvc
- 3Rename the cache folder: ren C:\Windows\SoftwareDistribution SoftwareDistribution.bak
- 4Rename catroot2: ren C:\Windows\System32\catroot2 catroot2.bak
- 5Restart services: net start wuauserv && net start bits && net start cryptsvc
- 6Try Windows Update again — it will rebuild the cache from scratch
Solution 2: Run DISM and SFC to Repair Components
- 1Open Command Prompt as Administrator
- 2Run: DISM /Online /Cleanup-Image /RestoreHealth (wait 5-15 minutes)
- 3Then run: sfc /scannow (wait 5-10 minutes)
- 4If DISM reports it fixed errors, run Windows Update again
- 5If DISM fails, you may need a Windows ISO as source: DISM /Online /Cleanup-Image /RestoreHealth /Source:D:\Sources\install.wim
Solution 3: Re-register Windows Update Components
- 1Open Command Prompt as Administrator
- 2Run these commands one at a time:
- 3regsvr32 wuaueng.dll
- 4regsvr32 wuaueng1.dll
- 5regsvr32 wucltui.dll
- 6regsvr32 wups.dll
- 7regsvr32 wups2.dll
- 8Restart your PC and try Windows Update
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