◆Error Codes Wiki

Microsoft Store Error 0x80073CF9 — App Installation and Update Failures

Warningsystem

Overview

Fix Microsoft Store error 0x80073CF9 preventing app installations and updates due to corrupted store cache, permission issues, or system file damage.

Key Details

  • Error 0x80073CF9 occurs when the Microsoft Store cannot install or update apps
  • The error may appear for specific apps or affect all Store operations
  • Microsoft Store cache corruption is a frequent cause that is easily resolved
  • Windows Update and Microsoft Store share some infrastructure — issues in one can affect the other
  • AppX deployment service must be running for Store app installation

Common Causes

  • Microsoft Store cache corrupted from interrupted downloads or updates
  • Windows App deployment service (AppXSvc) not running or in error state
  • Corrupted system files affecting Windows Store infrastructure
  • Date/time settings incorrect — Store authentication requires accurate system time

Steps

  1. 1Reset Microsoft Store cache: press Win+R, type 'wsreset.exe', press Enter — wait for the Store to reopen
  2. 2Repair Microsoft Store: Settings > Apps > Microsoft Store > Advanced options > Repair, then try Reset if Repair fails
  3. 3Ensure date/time are correct: Settings > Time & Language > toggle 'Set time automatically' off and on
  4. 4Run the Windows Store Apps troubleshooter: Settings > System > Troubleshoot > Other troubleshooters > Windows Store Apps
  5. 5Re-register Store apps: open PowerShell as admin and run 'Get-AppxPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}'

Tags

microsoft-store0x80073cf9app-installstore-cachewindows

More in System

windows-C000021A-status-system-process-terminatedWindows Error 0xC000021A — STATUS SYSTEM PROCESS TERMINATED
Critical
windows-C0000225-boot-configuration-errorWindows Error 0xC0000225 — Boot Configuration Error
Critical
windows-C000000F-boot-selection-failedWindows Error 0xC000000F — Boot Selection Failed
Critical
windows-80004005-unspecified-errorWindows Error 0x80004005 — Unspecified Error
Warning
windows-80070570-file-or-directory-corruptedWindows Error 0x80070570 — File or Directory Corrupted
Error
windows-system-0xc0000185Windows Error 0xC0000185 — Boot Device Inaccessible
Critical

Frequently Asked Questions

wsreset.exe clears the Microsoft Store cache without changing account settings or deleting installed apps. It resolves most Store download and update issues caused by corrupted cache.