This guide will discuss some expert-tested methods to fix the issue after discussing the causes. 

What causes the failed to load SteamUI.dll error? 

There could be various reasons why you encountered the error. However, here are some of the common ones: 

Outdated device drivers – If your computer has corrupted or old device drivers, you might get this error. To fix this, you need to install the latest device drivers. Steamdui.dll file is missing – If the steamui.dll file is deleted or missing, then it won’t be able to load, hence the error. Incomplete Steam app updates – If the updates installed for the Steam app are incomplete or corrupted, you might face this issue. Malware infection – If your computer has a virus or malware infection, it can cause many issues. You need to run a deep scan on your antivirus software to find and remove the malware. Damaged Windows installation files – If the Windows installation files are corrupted, they could also cause this error. You need to check the latest update you installed and delete it, or you can repair it via Command Prompt.

What can I do to fix failed to load SteamUI.dll error? 

Before engaging in advanced troubleshooting steps, you should consider performing the following checks:

Scan your computer for malware. Restart your computer.

1. Repair Steam

2. Clear download cache

3. Delete the libswscale-x.dll and SteamUI.dll files

4. Delete the beta version

5. Check for system errors

6. Update drivers

While you can manually update your drivers and search and install the driver from the manufacturer’s website, you can also use dedicated software. SPONSORED DriverFix is the perfect solution for the job as it is a tool specifically designed to detect outdated, missing, or malfunctioning drivers, ultimately replacing them automatically with the latest updates.

7. Reregister SteamUI.dll

So, this is how you can fix the failed to load steamUI.dll error. If nothing has worked for you so far, it is advised to restore your computer to the last known good configuration or reinstall Steam. If you have any questions or concerns, feel free to mention them in the comments section below.

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