uiautomationprovider.ni.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Optimize your application with UI Automation Provider DLL - uiautomationprovider.ni.dll. Enhance accessibility and automation capabilities today. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
Creation date	23.05.2009 03:22:34
File version	3.0.6920.4902
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	118 kb.	120832 bytes.

Hashes:

MD5: bd463df18e6794dc98ac76b39a21b6fd ✅
SHA-1: 94b9750e521c46cd8603a623e94e24fa7661e4eb
SHA-256: a7d769fc1f0fe2171ce4c85340545ac30d813c18a7aeb3049e1e200c90cb64a2
SHA-512: f66074da7281ebc9f66d58841417721aabc66a2f7b8c60d81f792d6c36a1ef707d1d69707aebb3b535a9c62a0be28f511dcf1d867c693a8887386c86e97a52a0

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

To fix the uiautomationprovider.ni.dll error without downloading anything, you need to repair the corrupted system files or the .NET Framework installation that handles this specific DLL.

Here are the direct, step-by-step methods to fix it using built-in Windows tools.

Method 1: Run SFC and DISM Tools

Windows has built-in tools to find and replace corrupted system files automatically.

1. Press Windows Key + S, type cmd, right-click Command Prompt, and select Run as administrator.
2. Type sfc /scannow and press Enter. Wait for the scan to finish.
3. Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
4. Restart your computer.

Method 2: Repair .NET Framework via Control Panel

The uiautomationprovider.ni.dll file belongs to Microsoft .NET Framework. Repairing the framework will restore the file.

1. Press Windows Key + R, type appwiz.cpl, and press Enter to open Programs and Features.
2. Look for Microsoft .NET Framework (or your current version) in the list.
3. Click it and select Change, Modify, or Repair.
4. Choose the Repair option and follow the on-screen instructions.
5. Restart your PC.

Method 3: Toggle .NET Framework Features

If .NET Framework is integrated into your Windows version and cannot be repaired directly, you can cycle the feature off and on to reinstall it.

1. Press Windows Key + R, type optionalfeatures, and press Enter.
2. Uncheck the box for .NET Framework 3.5 and/or .NET Framework 4.8 Advanced Services.
3. Click OK and restart your computer.
4. Open the same optionalfeatures menu again.
5. Check the boxes back ON, click OK, and let Windows reinstall the files.

Method 4: Clear the Native Image (NI) Cache

The .ni.dll extension means this is a "Native Image" generated by the .NET Native Image Generator (Ngen.exe). Clearing and rebuilding this cache often fixes the error.

1. Open Command Prompt as administrator (like in Method 1).
2. Type ngen update and press Enter.
3. This forces Windows to recreate all native images, including uiautomationprovider.ni.dll.

To help me narrow down the cause, could you tell me:

• When does this error pop up? (e.g., at Windows startup, or when opening a specific app/game?)
• What Windows OS version are you running?

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📊 Diagnostics Tool: Verify Your uiautomationprovider.ni.dll File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
UIAutomationProvider.dll
Other versions:
️ uiautomationprovider.ni.dll 4.8.4320.0 32-bit (x86)
Similar files:
️uiautomationprovider.dll | ️uiautomationprovider.resources.dll