How to Fix Fix Windows Error 0x80073D14 — App Package Manifest Validation Error on Windows
Getting Windows error code 0x80073D14? App package manifest validation error or Store app install failure? Fix error 0x80073D14 with step-by-step solutions.
Symptoms
You might be experiencing this problem if you notice:
- •Error 0x80073D14 when installing apps from Microsoft Store
- •App updates fail with package manifest error
- •Sideloaded apps fail to install with this code
- •Microsoft Store shows error 0x80073D14 on download
- •App package registration fails during Windows Update
- •MSIX/APPX installations fail with manifest validation error
Common Causes
- ⚠Corrupted Microsoft Store app cache
- ⚠App package manifest does not match the installed package
- ⚠Previous app version leftovers blocking new installation
- ⚠Windows App Installer service not running
- ⚠Developer mode or sideloading settings misconfigured
- ⚠System date/time incorrect causing certificate validation failure
Solutions
Solution 1: Reset Microsoft Store Cache
- 1Press Win+R
- 2Type wsreset.exe and press Enter
- 3Wait for the Store cache to clear (blank window will appear)
- 4Store will open automatically when done
- 5Retry the app installation
- 6If still failing, also clear the Store cache folder:
- 7Open File Explorer → navigate to %localappdata%\Packages\Microsoft.WindowsStore_8wekyb3d8bbwe\LocalCache
- 8Delete all contents of the LocalCache folder
- 9Restart the Microsoft Store
Solution 2: Re-register Store Apps
- 1Open PowerShell as Administrator
- 2Re-register all Store apps:
- 3Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
- 4Wait for the process to complete (ignore red error text for already-registered apps)
- 5Restart PC
- 6Open Microsoft Store and retry the installation
Solution 3: Check Date/Time and Developer Settings
- 1Ensure system date and time are correct:
- 2Settings → Time & language → Date & time
- 3Toggle "Set time automatically" off and on
- 4Click "Sync now"
- 5Check developer settings:
- 6Settings → System → For developers
- 7If you need sideloading, enable "Developer mode"
- 8For Store-only apps, developer mode is not needed
- 9Restart PC and retry installation
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