Fix Microsoft Store Error 0x80045c3c in Windows 10 and 11

Five ways to fix Microsoft Store 0x80045c3c error

Is 0x80045c3c error code encountered when installing the app from Microsoft Store? This article will introduce several easy and easy ways to fix this problem.

Potential security risks

Continuous 0x80045c3c errors may affect the installation or update of a specific application, resulting in partial or complete failure. This puts your computer at risk of potential security breaches and misses out on the latest features and bug fixes provided by developers. To protect your data security, it is recommended that you back up your data in advance. We recommend using MiniTool ShadowMaker, a powerful backup software.

Repair method

First, check if this problem occurs with all applications and the specific application you are trying to install. If the problem is common, try the following:

Method 1: Run the troubleshooter

1. Press the Win X key to select Settings in the menu.
2. Scroll down to select Updates and Security , and then click the Troubleshooting tab in the left pane.
3. Click on the other troubleshooter link.
4. Under Find and Fix Additional Issues Locate the Windows Store app and click Run Troubleshooter .

Method 2: Use PowerShell

Enter PowerShell in the search bar, right-click the result and select Run as administrator .

Reinstall Microsoft Store

1. Copy and paste the following commands in order:

Get-AppxPackage WindowsStore | Remove-AppxPackage

Get-AppxPackage -allusers WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppXManifest.xml”}

2. Press Enter to run the command to reinstall the Microsoft Store, and then restart the device to see if the error is resolved.

Re-register all apps

1. Copy and paste the following commands in order, and press Enter :

ren %localappdata%\\Packages\\Microsoft.WindowsStore_8wekyb3d8bbwe\\LocalState cache.old

powershell -ExecutionPolicy Unrestricted Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppXManifest.xml”}

2. Then restart the computer and check if the error has been fixed.

Method 3: Clear the Microsoft Store cache

1. Press Win R key at the same time to open the Run command window.
2. Enter wsreset.exe and click OK .

3. Wait for a few seconds, after the cache reset is complete, a black pop-up will appear briefly and close, and the Microsoft Store should open automatically. After that, check if the error still exists.

Method 4: Check system files

1. Enter cmd in the search box, right-click the result and select Run as administrator .
2. Enter sfc /scannow command and press Enter to scan for any corrupt system files.
3. After the scan is complete, copy and paste the following commands in turn, and then press Enter to run:

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM Online /Cleanup-Image /RestoreHealth /Source:C:\\RepairSource\\Windows /LimitAccess

4. Once done, restart the device and see if the error has been resolved.

Method 5: Use media creation tools

1. Download the Windows 10/11 Media Creation Tool from Microsoft.
2. Double-click to install the program. When the UAC window pops up, click Accept Agree to the terms.
3. Select Upgrade this computer now , and click Next to complete the operation as described on the screen.

Summarize

All the above methods have been tested in actual scenarios and proved to be effective and efficient. Hopefully these methods can help you fix the Microsoft Store 0x80045c3c error that appears in Windows 10/11 systems.

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