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How to Fix the “Error Package Not Registered” Issue in Windows 11: Step-by-Step Solutions

The “Error Package Not Registered” message in Windows 11 can be frustrating. It usually occurs when trying to open apps or run certain features. This error means Windows cannot find the necessary app package to complete the action.

Fortunately, there are several simple ways to fix this problem. You don’t need to be a tech expert to try these solutions. Just follow the step-by-step instructions carefully.

This guide will walk you through the easiest methods first and then move to more advanced options. By the end, you should have your system running smoothly again.

Let’s get started with some quick checks before diving into the fixes.

Quick Note: Prerequisites and Checks

  • Restart your computer: Sometimes a simple reboot clears temporary glitches causing the error.
  • Check for Windows updates: Running the latest updates can fix bugs and improve system stability.
  • Verify app installation: Ensure the app you’re trying to open is correctly installed and not corrupted.
  • Run apps as administrator: Some apps need extra permissions, so try right-clicking and selecting “Run as administrator.”

Step 1: Re-register the Problematic App

Windows apps sometimes lose their registration data. Re-registering the app can restore its connection to the system.

Here’s how to do it using PowerShell:

  1. Press Windows + S, type PowerShell, then right-click Windows PowerShell and select Run as administrator.
  2. In the PowerShell window, type the following command and press Enter: 
    Get-AppxPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}
  3. Wait for the command to finish. It may take a few minutes.
  4. Restart your computer and try opening the app again.

Why this helps: This command re-registers all built-in Windows apps for every user, fixing missing or broken app registrations.

Step 2: Run the Windows Store Apps Troubleshooter

Windows 11 includes a built-in troubleshooter that can detect and fix app-related problems automatically.

To use it:

  1. Open Settings by pressing Windows + I.
  2. Go to System > Troubleshoot > Other troubleshooters.
  3. Find Windows Store Apps in the list and click Run.
  4. Follow the on-screen instructions. The troubleshooter will scan and repair issues where possible.

Why this is useful: The troubleshooter automatically checks for common app problems and fixes them without requiring advanced user input.

Step 3: Reset the Problematic App

If re-registering doesn’t help, resetting the app can restore it to its original state while keeping your files safe.

Here’s how:

  1. Open Settings (Windows + I).
  2. Go to Apps > Installed apps.
  3. Find the app causing the error in the list and click the three dots next to it.
  4. Choose Advanced options.
  5. Scroll down and click Reset. Confirm if prompted.
  6. After resetting, try opening the app again.

Why resetting helps: This clears the app’s data and cache, which might be causing the registration error, without uninstalling the app.

Step 4: Check and Repair System Files

Corrupted system files can cause various errors, including package registration issues. You can scan and repair these files using built-in Windows tools.

Follow these steps:

  1. Press Windows + S, type cmd, right-click Command Prompt, and select Run as administrator.
  2. In the Command Prompt window, type the following command and press Enter: 
    sfc /scannow
  3. Wait for the scan to complete. This may take several minutes.
  4. If problems are found and fixed, restart your computer.
  5. Optionally, run this command next to repair the Windows image: 
    Dism /Online /Cleanup-Image /RestoreHealth
  6. Restart your PC and check if the error persists.

Why this matters: System File Checker (SFC) and Deployment Image Servicing and Management (DISM) fix damaged system files that could interfere with app registrations.

Step 5: Reinstall the Affected App

If none of the above methods work, reinstalling the app can often solve the problem completely.

To reinstall:

  1. Open Settings (Windows + I).
  2. Go to Apps > Installed apps.
  3. Find the app, click the three dots, and select Uninstall.
  4. Confirm the uninstall and wait for it to complete.
  5. Open the Microsoft Store, search for the app, and install it again.
  6. Try launching the app after reinstalling.

Why reinstalling helps: It ensures you have a fresh, correct installation of the app’s package and dependencies.

Alternative Method: Create a New User Account

Sometimes, the issue can be related to user profile corruption. Creating a new user account can help determine if that’s the cause.

Steps to create a new account:

  1. Open Settings.
  2. Go to Accounts > Family & other users.
  3. Click Add account under “Other users.”
  4. Follow prompts to create a local or Microsoft account.
  5. Sign out and log into the new account.
  6. Try using the app again to see if the error appears.

If the app works in the new account, your original user profile may need repair or migration.

Frequently Asked Questions (FAQs)

What causes the “Error Package Not Registered” message?

This error usually happens when Windows cannot find or access the app’s registration data. It can be caused by corrupted app files, system updates, or user profile issues.

Is my data at risk when fixing this error?

Most of the fixes, like re-registering or resetting apps, do not delete your personal data. However, resetting an app clears its settings and cache, so you might lose app-specific preferences.

Can third-party apps cause this error?

Yes, third-party apps installed from outside the Microsoft Store can sometimes trigger this error if they are not properly registered or corrupted.

Will updating Windows fix this error?

Updating Windows can help because updates often fix bugs and improve app compatibility. Always check for updates first.

Do I need to run PowerShell commands as an administrator?

Yes, administrative rights are required to re-register apps system-wide. Running PowerShell as admin ensures the commands execute properly.

When Nothing Works

If you have tried all the above methods and still face the error, consider these final options:

  • Use System Restore: Roll back your PC to a previous state before the error appeared.
  • Create a new Windows user profile: Transfer your files to a new account if your current profile is corrupted.
  • Contact Microsoft Support: Visit the official Microsoft support site for professional help.
  • Reset or reinstall Windows: As a last resort, resetting or clean installing Windows can fix deep system problems, but backup your data first.

Conclusion

The “Error Package Not Registered” message in Windows 11 can be resolved through a series of straightforward steps. Starting with re-registering apps and running troubleshooters often clears the issue quickly. Resetting or reinstalling apps and repairing system files provide deeper fixes if needed.

By following this guide’s clear, step-by-step instructions, you can fix the error without confusion or risk. Remember to keep your system updated and regularly back up important data to avoid future problems.

If all else fails, don’t hesitate to seek professional support or consider creating a new user profile for a fresh start.

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