How to Fix Windows.UI.Xaml.Resources.21h1.dll Missing Error – Step by Step

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How to Fix Windows.UI.Xaml.Resources.21h1.dll Missing Error (Solved)

How to Fix Windows.UI.Xaml.Resources.21h1.dll Missing Error (Solved)

What is Windows.UI.Xaml.Resources.21h1.dll?

Windows.UI.Xaml.Resources.21h1.dll is a Dynamic Link Library (DLL) file that belongs to the Windows 10 operating system’s user interface framework specifically designed for Universal Windows Platform (UWP) apps. This DLL provides essential resources for UI rendering and management.

Why is Windows.UI.Xaml.Resources.21h1.dll missing?

The Windows.UI.Xaml.Resources.21h1.dll file might become missing due to various reasons such as:

  • Malware Infection: Some malicious software may delete or corrupt system DLL files including Windows.UI.Xaml.Resources.21h1.dll.
  • Accidental Deletion: Users may accidentally delete or move this file while performing system maintenance tasks.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The missing DLL might be a result of an issue with the Visual C++ Redistributable package. To resolve this you can reinstall the appropriate version.

  1. Visit the official Microsoft Download Center at this link.
  2. Download and install the Visual C++ Redistributable package for your system (x64 or x86).

Method 2: Run SFC /scannow command

The System File Checker (SFC) tool can help you scan and repair missing or corrupted system files including the Windows.UI.Xaml.Resources.21h1.dll file.

  1. Press Windows key + X and select “Command Prompt (Admin)” or “PowerShell (Admin)”.
  2. Type the following command and press Enter:



    3. `sfc /scannow`

    The SFC tool will then scan your system for missing and corrupted files repairing them automatically.

Method 3: Update System Drivers

An outdated driver can cause compatibility issues with the Windows.UI.Xaml.Resources.21h1.dll file. To update your drivers follow these steps:

  1. Press Windows key + X and select “Device Manager”.
  2. Expand the category of the device causing issues.
  3. Right-click on the problematic device and choose “Update Driver”>>
  4. Select “Search automatically for updated driver software” and follow the prompts to install the latest version.

Conclusion

By following the methods outlined in this guide you should be able to resolve the Windows.UI.Xaml.Resources.21h1.dll missing error in your Windows system. If the issue persists it is recommended to seek professional help or consult with Microsoft Support.

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