How to Fix Fix Error 0x80073CFB — Microsoft Store App Update Failed on Windows
Getting error 0x80073CFB when updating or installing apps from Microsoft Store? Package update failed? App won't update? Fix this Store app deployment error.
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Main Troubleshooting Guide
How to Fix Microsoft Store Not Working →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Microsoft Store app updates fail with 0x80073CFB
- •Installing new Store apps fails with this error
- •App stuck on "Pending" in Store downloads
- •Specific app won't update while others succeed
- •Store shows "Something happened on our end" with this code
- •App update downloaded but installation fails
Common Causes
- ⚠App package cache corrupted in Microsoft Store
- ⚠Previous app version not fully removed before update
- ⚠Insufficient disk space for app package extraction
- ⚠Windows Store service in bad state
- ⚠App package dependencies missing or conflicting
- ⚠System date/time incorrect causing certificate validation failure
Solutions
Solution 1: Reset Microsoft Store Cache
- 1Close Microsoft Store completely
- 2CMD as Admin: wsreset.exe
- 3Wait for Store to reopen (may take 30+ seconds)
- 4Try updating/installing the app again
- 5If wsreset doesn't help:
- 6Settings → Apps → Installed apps → "Microsoft Store"
- 7Click Advanced options → Repair
- 8If repair fails → Reset
- 9Restart PC → retry from Store
Solution 2: Clear Store Package Cache
- 1Close all Store apps
- 2Delete Store cache folder contents:
- 3Open: %LOCALAPPDATA%\Packages\Microsoft.WindowsStore_8wekyb3d8bbwe\LocalCache
- 4Delete all contents inside this folder
- 5Also try: %LOCALAPPDATA%\Packages\Microsoft.WindowsStore_8wekyb3d8bbwe\AC
- 6Delete contents of INetCache and INetCookies subfolders
- 7Restart PC
- 8Open Store → Library → Get updates
Solution 3: Reinstall the Failing App
- 1If a specific app keeps failing:
- 2Settings → Apps → find the app → Uninstall
- 3Restart PC
- 4Reinstall from Microsoft Store
- 5If uninstall fails: PowerShell as Admin:
- 6Get-AppxPackage *appname* | Remove-AppxPackage
- 7Then reinstall from Store
- 8Check system date/time: Settings → Time & language
- 9Ensure date/time is correct and timezone matches your location
- 10Ensure at least 2GB free disk space on system drive
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