How to Fix Windows.UI.Xaml.Phone.dll Missing Error – Step by Step

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How to Fix Windows.UI.Xaml.Phone.dll Missing Error (Solved)

How to Fix Windows.UI.Xaml.Phone.dll Missing Error (Solved)

What is Windows.UI.Xaml.Phone.dll?

Windows.UI.Xaml.Phone.dll is a Dynamic Link Library (DLL) file that is essential for the proper functioning of certain applications on Windows Phone 8.1 and Universal Windows Platform apps running on Windows 10. This DLL file contains functions and data used by these applications allowing them to perform their intended tasks.

Why is Windows.UI.Xaml.Phone.dll missing?

There are several reasons why the Windows.UI.Xaml.Phone.dll file may be missing on your system including:

  • Malware infection: Some malicious software can corrupt or delete system files such as DLLs.
  • Accidental deletion: Users may accidentally remove the DLL file while cleaning up their system or during the installation/uninstallation of programs.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The Windows.UI.Xaml.Phone.dll file is often associated with Microsoft Visual C++ Redistributable packages. To fix the missing DLL error you can try reinstalling the corresponding Visual C++ package:

  1. Visit the official Microsoft Download Center and search for your specific Visual C++ Redistributable version (e.g. Visual C++ 2013 Redistributable Update 4).
  2. Download the appropriate setup file and run it to install or reinstall the package.

Method 2: Run SFC /scannow command

The System File Checker (SFC) tool can help you scan for locate and repair missing or corrupted system files including the Windows.UI.Xaml.Phone.dll file:

  1. Open Command Prompt as an administrator by searching for “cmd” in the Start menu right-clicking on the result and selecting “Run as administrator”.
  2. Type `sfc /scannow` and press Enter.
  3. Follow the on-screen instructions to complete the scan and repair process.

Method 3: Update System Drivers

Outdated or incorrect system drivers may also cause compatibility issues with certain DLL files. To update your system drivers you can use Device Manager:

  1. Press Windows key + X and select “Device Manager” from the menu.
  2. Find the problematic driver (e.g. Display Adapters) right-click on it and select “Update Driver”.
  3. Choose “Search automatically for updated driver software” and follow the prompts to install any available updates.

Conclusion

By following the step-by-step fixes outlined above you should be able to resolve the Windows.UI.Xaml.Phone.dll missing error on your Windows system. If none of these solutions work or if the issue persists it may be best to consult with a professional technician for further assistance.

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