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How to Fix TwinUI Not Working Error in Windows 11: Step-by-Step Solutions

If you are encountering the TwinUI not working error on your Windows 11 device, you are not alone. This issue can disrupt opening files or apps, causing frustration. Fortunately, there are straightforward ways to resolve it.

TwinUI errors usually occur due to system glitches or corrupted files. Fixing them involves some simple troubleshooting steps. You do not need advanced technical knowledge to follow along.

This guide will walk you through easy, step-by-step solutions to get your Windows 11 back to normal. Let’s start by understanding what to check before diving into fixes.

By following these instructions carefully, you can restore your system’s functionality without stress.

Quick Note: Prerequisites and Initial Checks

Before beginning the troubleshooting process, make sure you:

  • Restart your computer: Sometimes, a simple reboot can clear temporary glitches causing the TwinUI error.
  • Check for Windows updates: Outdated system files may cause compatibility issues. Keeping Windows updated ensures better stability.
  • Note the error context: Observe when the error appears — opening images, PDFs, or other file types. This information helps target the fix.
  • Backup important data: Although these steps are safe, it’s good practice to back up essential files before making system changes.

Step 1: Set Default Apps Manually

One common reason TwinUI errors appear is that Windows can’t find the right app to open a file. Setting default apps manually can help.

  1. Click the Start button and select Settings.
  2. Navigate to Apps > Default apps.
  3. Scroll down and find the file type or protocol causing the error (for example, .jpg or .pdf).
  4. Click on the file type and choose a suitable app (e.g., Photos for images, Adobe Reader for PDFs).
  5. Confirm the selection and try opening the file again.

This step ensures Windows knows which app to use, preventing the TwinUI error related to app associations.

Step 2: Run the System File Checker (SFC) Tool

Sometimes, corrupted system files cause TwinUI errors. The System File Checker can scan and repair these files.

  1. Press Windows + S and type cmd.
  2. Right-click on Command Prompt and select Run as administrator.
  3. In the command window, type sfc /scannow and press Enter.
  4. Wait for the scan to complete. It may take several minutes.
  5. If any corrupt files are found, SFC will repair them automatically.
  6. Restart your computer and check if the error persists.

This tool helps maintain system integrity and is a safe way to fix hidden problems.

Step 3: Use Deployment Image Servicing and Management (DISM) Tool

If SFC does not resolve the issue, DISM can fix deeper system image problems.

  1. Open Command Prompt as an administrator (same as Step 2).
  2. Type the following commands one by one, pressing Enter after each:
    3. DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
  3. Each command may take a few minutes to complete. Be patient.
  4. After finishing, restart your PC and test if the TwinUI error is gone.

DISM repairs the Windows system image used by SFC, making it an important follow-up step.

Step 4: Reset the Photos App

Since the Photos app is often involved in TwinUI errors, resetting it can help if the app is corrupted.

  1. Open Settings > Apps > Installed apps (or Apps > Apps & Features).
  2. Find Photos in the list and click the three dots next to it.
  3. Select Advanced options.
  4. Scroll down and click Reset. Confirm if prompted.
  5. Once reset, try opening your image files again.

Resetting clears app data and fixes issues without uninstalling it completely.

Step 5: Re-register TwinUI Using PowerShell

If the problem continues, re-registering TwinUI components can restore their functionality.

  1. Press Windows + X and select Windows Terminal (Admin) or PowerShell (Admin).
  2. In the terminal, paste the following command and press Enter:
    3. Get-AppxPackage -allusers Microsoft.Windows.TwinUI | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}
  3. Wait for the process to complete. It may show some errors, but that is normal.
  4. Restart your computer and check if the issue is resolved.

This step refreshes the TwinUI app registration, which can fix glitches in its operation.

Alternative Method: Create a New User Account

If TwinUI errors are specific to one user profile, creating a new account may help.

  1. Go to Settings > Accounts > Family & other users.
  2. Click Add account under “Other users.”
  3. Follow prompts to create a new local or Microsoft account.
  4. Log in to the new account and check if the TwinUI error persists.

This approach determines if the issue is profile-specific or system-wide.

FAQs

What is the TwinUI error in Windows 11?

TwinUI error usually appears when Windows cannot open certain files or apps due to missing or corrupted system components related to the TwinUI interface.

Is it safe to run SFC and DISM scans?

Yes, these are built-in Windows tools designed to check and repair system files safely without harming your data.

Can third-party apps cause TwinUI errors?

Sometimes, third-party apps interfere with default Windows apps. Setting default apps manually can help resolve conflicts.

Do I need to reinstall Windows to fix TwinUI errors?

Reinstalling Windows is a last resort. Most TwinUI errors can be fixed with the steps above without reinstalling the OS.

Why does resetting the Photos app help?

Resetting clears the app’s temporary data and settings, fixing glitches that can cause errors when opening images.

When Nothing Works

If none of the above solutions resolve the TwinUI not working error, consider the following final options:

  • Perform a System Restore: Restore your PC to a previous state where everything was working fine. Search for “Create a restore point” in Windows and follow instructions.
  • Run Windows Troubleshooter: Go to Settings > System > Troubleshoot > Other troubleshooters > Windows Store Apps and run the troubleshooter.
  • Contact Microsoft Support: Visit the official Microsoft support site for expert help.
  • Consider Resetting or Reinstalling Windows: As a last resort, you can reset Windows while keeping personal files or perform a clean installation.

Conclusion

The TwinUI not working error in Windows 11 can be frustrating but is usually fixable with simple steps. Start by setting default apps and running built-in repair tools like SFC and DISM. Resetting related apps and re-registering TwinUI also help restore proper functionality.

Remember to backup your files before attempting advanced fixes. If problems persist, creating a new user profile or using system restore can be effective. Always keep your Windows updated to avoid such errors in the future.

By following this guide, you should be able to resolve TwinUI errors smoothly and get back to using your PC without interruptions.

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