What is xinput1_1.dll and How to Fix It? Virus or Safe?
How to Fix Xinput1_1.dll Missing or Not Found Error on Windows
If you are a Windows user, you may have encountered an error message that says xinput1_1.dll is missing or xinput1_1.dll not found when you try to run a game or a program that uses DirectX. This can be very frustrating and prevent you from enjoying your favorite games or applications. But don't worry, there are some easy ways to fix this problem and get your PC back to normal.
In this article, we will explain what xinput1_1.dll is, what causes xinput1_1.dll errors, and how to fix them using six different methods. By the end of this article, you should be able to solve the xinput1_1.dll missing or not found error on your Windows computer.
What is Xinput1_1.dll and Why is it Important?
Xinput1_1.dll is a DLL (Dynamic Link Library) file that is part of Microsoft DirectX, a collection of software components that enable Windows-based games and multimedia applications to run smoothly and efficiently. Xinput1_1.dll provides functions for Microsoft Common Controller API, which allows games and programs to interact with various input devices such as keyboards, mice, joysticks, gamepads, etc.
Xinput1_1.dll is an essential file for many games and programs that use DirectX, especially those that require advanced graphics and sound features. Without xinput1_1.dll, these games and programs may not work properly or at all.
What Causes Xinput1_1.dll Errors?
There are several possible reasons why you may see an error message related to xinput1_1.dll on your Windows computer. Some of the most common causes are:
Xinput1_1.dll is missing or deleted: This can happen if you accidentally delete xinput1_1.dll from your system folder or if a malicious software (malware) infects your PC and removes xinput1_1.dll.
Xinput1_1.dll is corrupted or damaged: This can happen if xinput1_1.dll gets overwritten by another file, if there is a hardware failure, or if there is a problem with the Windows registry.
Xinput1_1.dll is incompatible or outdated: This can happen if you have an older or newer version of DirectX than the one required by the game or program that uses xinput1_1.dll. It can also happen if you have a different version of xinput1_1.dll than the one expected by the game or program.
The game or program that requires xinput1_1.dll is faulty or not installed correctly: This can happen if the game or program has some bugs, errors, or missing files that prevent it from loading xinput1_1.dll properly.
Some of the most common error messages that indicate a problem with xinput1_1.dll are:
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The program can't start because xinput1_1.dll is missing from your computer. Try reinstalling the program to fix this problem.
There was a problem starting xinput1_1.dll. The specified module could not be found.
Xinput1_1.dll not found. Reinstalling the application may fix this problem.
Xinput1_1.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.
How to Fix Xinput1_1.dll Errors?
Depending on the cause of the xinput1_1.dll error, there are different methods that you can try to fix it. Here are six possible solutions that may help you resolve the xinput1_1.dll missing or not found error on your Windows computer.
Method 1: Download Xinput1_1.dll from a Trusted Source
One of the easiest ways to fix the xinput1_1.dll error is to download the missing or corrupted file from a reliable and reputable source. You can use a website that offers free DLL downloads, such as . However, you should be careful when downloading DLL files from the internet, as some of them may contain malware or viruses that can harm your PC. Therefore, you should always scan the downloaded file with a good antivirus program before installing it.
To download xinput1_1.dll from DLL-files.com, follow these steps:
Go to and click on the green Download button.
Select the version of xinput1_1.dll that matches your Windows system (32-bit or 64-bit) and click on Download ZIP file.
Extract the ZIP file to a folder on your PC.
Copy the xinput1_1.dll file and paste it into the folder where the game or program that requires it is installed. This is usually located in C:\Program Files or C:\Program Files (x86).
If you are prompted to replace an existing file, click Yes.
Restart your PC and try running the game or program again.
Method 2: Reinstall the Program that Requires Xinput1_1.dll
Sometimes, the xinput1_1.dll error may occur because the game or program that needs it is not installed properly or has some missing or corrupted files. In this case, you can try reinstalling the game or program to fix the problem. To do this, follow these steps:
Go to Control Panel > Programs > Programs and Features and find the game or program that causes the xinput1_1.dll error in the list of installed programs.
Right-click on it and select Uninstall. Follow the instructions to complete the uninstallation process.
Restart your PC and reinstall the game or program from its original installation media or download source.
Run the game or program again and see if the xinput1_1.dll error is gone.
Method 3: Update DirectX to the Latest Version
Another possible reason why you may see an error related to xinput1_1.dll is that you have an outdated or incompatible version of DirectX on your PC. DirectX is a set of software components that enable Windows-based games and multimedia applications to run smoothly and efficiently. Xinput1_1.dll is part of DirectX 9.0c, which was released in 2004. However, many newer games and programs require higher versions of DirectX, such as DirectX 10, 11, or 12. Therefore, you should update DirectX to the latest version available for your Windows system to fix the xinput1_1.dll error.
To update DirectX to the latest version, follow these steps:
Go to and click on Download.
Run the downloaded file and follow the instructions to install DirectX End-User Runtime Web Installer.
This will automatically check your PC for any missing or outdated DirectX components and install them for you.
Restart your PC and run the game or program again.
Method 4: Update Your Video Card Drivers
Your video card drivers are software programs that enable your PC to communicate with your video card hardware. They are responsible for rendering graphics and sound on your screen. If your video card drivers are outdated, corrupted, or incompatible with your Windows system or pop-ups, stealing your personal information, or causing errors and crashes. One of the possible causes of the xinput1_1.dll error is that your PC is infected by malware or viruses that have deleted or corrupted the xinput1_1.dll file. Therefore, you should scan your PC for malware and viruses using a reliable and updated antivirus program and remove any threats that are found.
To scan your PC for malware and viruses, follow these steps:
Download and install a reputable antivirus program, such as .
Run the antivirus program and perform a full system scan.
Wait for the scan to complete and review the results.
Delete or quarantine any malware or viruses that are detected.
Restart your PC and run the game or program again.
Method 6: Use System File Checker to Repair Corrupted Files
System File Checker (SFC) is a built-in Windows tool that can scan and repair corrupted or missing system files, such as xinput1_1.dll. If the xinput1_1.dll error is caused by a corrupted system file, you can use SFC to fix it. To use SFC to repair corrupted files, follow these steps:
Press Windows + X keys and select Command Prompt (Admin) or Windows PowerShell (Admin) from the menu.
Type sfc /scannow and press Enter to start the scan.
Wait for the scan to complete and review the resu