How to Fix XInputUap.dll Missing Error (Solved)

What is XInputUap.dll?

XInputUap.dll, short for “XInput User Interface Automation Provider,” is a dynamic link library file that plays an essential role in the functioning of certain Windows applications. This file helps to bridge the gap between the application and the XInput API (Application Programming Interface), enabling seamless communication between them.

Why is XInputUap.dll missing?

The XInputUap.dll file may go missing due to several reasons, including accidental deletion during system cleanup or updates, malware infections that target crucial system files, or corrupted system files after an unsuccessful Windows update.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

One of the primary reasons for XInputUap.dll to go missing is the absence or corruption of Visual C++ Redistributable. To resolve this issue, you can reinstall the Visual C++ Redistributable package by following these steps:

1. Visit the official Microsoft Download Center at this link.
2. Choose the appropriate version of Visual C++ Redistributable for your Windows operating system (x64 or x86) and download it.
3. Run the downloaded installer as an administrator, follow the on-screen instructions to complete the installation process.

Method 2: Run SFC /scannow command

Running the System File Checker (SFC) tool is another effective method to fix missing or corrupted system files, including XInputUap.dll. Follow these steps to do so:

1. Press Windows key + X and select ‘Command Prompt (Admin)’ from the menu.
2. Type the following command and press Enter: `sfc /scannow`
3. Wait for the SFC scan to complete. Once it is done, restart your computer, and the missing XInputUap.dll file should be restored if it was indeed corrupted or missing.

Method 3: Update System Drivers

Outdated system drivers can also cause compatibility issues with certain files like XInputUap.dll. To ensure your drivers are up-to-date, follow these steps:

1. Press Windows key + X and select ‘Device Manager’ from the menu.
2. In the Device Manager window, expand the categories to find the device for which you want to update the driver. Right-click on the device and select ‘Update Driver’ > ‘Search automatically for updated driver software’
3. Follow the on-screen instructions to download and install any available updates for your system drivers.

Conclusion

The XInputUap.dll missing error can be frustrating, but with the methods outlined in this guide, you should now have the tools to resolve this issue and get your system back to its optimal state.