How to Fix the “Failed to Load steamui.dll” Error in Steam

By Bikash

How to Fix Failed to Load steamui.dll Fatal Error: Expert Guide

During Steam, Windows users may find the “Failed to Load steamui.dll” bug to be a frustrating barrier that keeps them from playing their favorite games. This issue typically indicates faulty Steam files or program interference from other sources. Do not be alarmed! We’ve got you covered with an in-depth how-to for fixing this problem.

When encountered, this error can be a real headache for Steam users. It manifests as an impediment to accessing the Steam library and playing games, leading to frustration in the gaming community.

Imagine gearing up for an intense gaming session, only to be halted by the ominous “Failed to Load steamui.dll” error. This disruption not only interrupts your gaming flow but also raises concerns about the health of your Steam installation.

Basic Troubleshooting

Restarting Steam

The Simplest solutions are often the most effective. Start by closing Steam entirely and relaunching it. This quick maneuver can rectify transient glitches that might be causing the error.

Rebooting the Computer

Give your system a fresh start. Restarting your computer can clear any temporary memory issues that may contribute to the problem.

Verifying Steam Files

Steam comes equipped with a handy tool for identifying and repairing corrupted game files. Follow these steps:

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  1. Open Steam.
  2. Navigate to your Library.
  3. Right-click on the problematic game and select Properties.
  4. Go to the Local Files tab.
  5. Click “Verify integrity of game files.” Wait for the process to conclude; Steam will automatically download and replace any missing or corrupted files.

Advanced Troubleshooting

Deleting Corrupted Files

The culprit might be the Steamui.dll and libswscale-x.dll files. Here’s how to eradicate them:

  1. Close Steam completely.
  2. Open File Explorer and go to your Steam installation folder (usually C:\Program Files (x86)\Steam).
  3. Locate and delete the Steamui.dll and libswscale-x.dll files.
  4. Restart Steam, allowing it to fetch fresh copies of the deleted files.

Disabling Third-Party Software

Certain antivirus programs or security software may clash with Steam. Temporarily disable them and check if the error persists.

Running Steam as Administrator

Granting Steam administrator privileges can resolve access issues. Right-click on the Steam executable file, navigate to Properties, go to the Compatibility tab, and check “Run this program as an administrator.”

Reinstalling Steam

If all else fails, consider reinstalling Steam. Remember to back up your game data before taking this step.


There, we looked at both simple and complex methods of debugging Steam for Windows’ “Failed to Load steamui.dll” error. These solutions vary in complexity from reinstalling Steam to restarting it.

Always protect your game data before starting any serious debugging tasks. Making a backup ensures that you don’t lose important in-game purchases or progress.

While failures with Steam might be frustrating, these remedies are meant to get you back into the game as soon as possible. You should be able to remove the annoying “Failed to Load steamui.dll” bug with some perseverance and following troubleshooting techniques.


What Causes the “Failed to Load steamui.dll” Error?

The error typically arises due to corrupted Steam files or interference from third-party software.

Can I Fix the Error Without Reinstalling Steam?

You can try less invasive solutions like verifying game files or deleting corrupted files before opting for a complete reinstall.

Are There Specific Antivirus Programs Known to Interfere With Steam?

Certain antivirus programs may conflict with Steam. Check your antivirus settings or consider temporarily disabling it for troubleshooting.

How Often Does This Error Occur, and Is It Preventable?

The frequency of the error varies, and while it’s not entirely preventable, regular system maintenance and updates can minimize its occurrence.

Is There a Way to Recover Lost Game Progress After Troubleshooting?

You are backing up your game data before troubleshooting is crucial. In most cases, following the provided solutions should not lead to data loss.

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By Bikash
Hello! I'm Bikash, a skilled Web Developer and Blogger with more than 5 years of experience in the digital marketing fields. My passion is Share my Own Experience by Blogging and creating unique, approachable websites that create a lasting impact. My love of both technology and creativity encourages me to keep up with the most recent developments and industry best practices.
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