Uiautomationcore.dll: How to Fix It if It’s Missing

Missing uiautomationcore.dll may be due to outdated OS

by Henderson Jayden Harper
Henderson Jayden Harper
Henderson Jayden Harper
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills and learning more about the tech world. He also enjoys... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Uiautomationcore.dll missing error can occur for many reasons.
  • Corrupt system files can be responsible for the missing file on your computer. 
  • Running a System File Checker can fix the problem.



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Encountering The program can’t start because uiautomationcore.dll is missing from your computer error indicates that the file is not available or accessible. Hence, the programs that need it can’t start due to its inaccessibility on Windows 10.

Also, you may run into Windows.devices.smartcards.dll missing error due to missing files on your PC.

Why is uiautomationcore.dll missing?

The uiautomationcore.dll missing on Windows 11 can be due to many factors. Corrupt system files can cause the uiautomationcore.dll file on your computer to be unavailable or missing. Also, corrupt files impede the activities of other components on your computer.

Furthermore, you can run into the uiautomationcore.dll missing error due to other factors such as:

  • Missing or deleted uiautomationcore.dll file – The error can occur if the DLL file is missing or deleted from the Windows Registry. It affects its functionality because it is no longer intact. So, the services dependent on it won’t work, resulting in the error.
  • Outdated Windows OS – Windows devices are known to run into several issues when the Operating System is outdated. It indicates the lack of necessary Windows Updates for fixing bugs. So, the missing file error may occur if Windows is not up to date.
  • Malicious software – Users can encounter the uiautomationcore.dll missing error due to the malicious apps on the computer. This faulty software can disrupt other programs running on the PC and cause your system files to miss or become inaccessible.

There are various instances where you can encounter the uiautomationcore.dll missing error. Nevertheless, you can fix them by troubleshooting your PC.

How do I fix uiautomationcore.dll if it’s missing on my Windows 10?

Before proceeding with any solution for the error on Windows 10, go through the following preliminary checks:

Try the solutions below if you can’t fix the error:

1. Run a System File Checker (SFC scan)

  1. Left-click the Start button, type Command Prompt, and select Run as administrator.
  2. Click Yes on the User Account Control window.
  3. Type the following and press Enter: sfc /scannow
  4. Restart your PC and check if the error persists.

Expert tip:


Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken.
We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

Running an SFC scan will find and repair corrupt system files causing the missing system file error. Also, it can restore the uiautomationcore.dll file if it is corrupt. Read about fixing the run as administrator option if it’s not working on your PC.

Besides manually running an SFC scan, you can also opt for a specialized tool that can execute this procedure automatically.

Restoro repair

Restoro is a reliable third-party DLL fixer which uses a built-in automated system and an online library full of functional DLLs to replace and repair any files that might be corrupted or damaged on your PC.

All you need to do to resolve your PC’s problems is to launch it, and simply follow the on-screen instructions to start the process, as everything else is covered by the software’s automated processes.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the software.
  3. Wait for it to scan your PC for any stability issues and possible malware.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After this process is completed your PC will be as good as new, and you will no longer have to deal with BSoD errors, slow response times, or other similar issues.

Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

2. Run System Restore

  1. Left-click the Start button and type Restore, then click on Create a Restore Point.
  2. Go to the System Protection tab, and select System Restore.
  3. Choose a different system restore and click Next to select a specific Restore Point.
  4. Select the last time your PC worked perfectly, and click Next.
  5. Click the Finish button.

The System Restore will backdate your PC to the last time it functioned properly, removing the corrupt items causing the error. Check how to fix Restore Point if it’s not working and if you have any issues running it on your PC.

3. Update Windows OS

  1. Press Windows + I key to open the Settings app.
  2. Click on Windows Update and select Check for updates.

If there are any updates available, Windows will search for and install them. Update Windows OS will fix bugs affecting your PC and update your drivers. check how to fix Windows not connecting to update services on your PC.

4. Download and re-register the uiautomationcore.dll file

Note icon
We’d never ask you to download from any untrusted site. However, our expert has tested this procedure to ensure its safety.
  1. Launch your browser and download the correct version of uiautomationCore.dll for your PC.
  2. Open the downloaded zip file, click the Extract icon at the top bar and select Desktop for a location to extract the DLL file.
  3. Left-click the Start button, type Command Prompt, and click Run as administrator.
  4. Click Yes on the User Account Control prompt.
  5. Type this command and press Enter: regsvr32 uiautomationcore.dll
  6. Restart your PC.

Replacing the file should fix the error. The uiautomationcore.dll missing error should cease to pop up on your PC after this.

Alternatively, you can read our detailed guide about fixing DLL files missing from your PC.

Also, our readers may be interested in our article on fixing a corrupt bootres.dll file in Windows 10/11.

If you have further questions or suggestions, ensure to drop them in the comments section.

Still having issues? Fix them with this tool:


If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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