6 ways to fix “Failed to load steamui.dll” error on Windows 10

Steam is probably the most famous and popular online game store in the world today.

First launched in 2003, up to now this platform has owned thousands of large and small games from many different companies, except for some exclusive games from companies, the rest have almost every game.

Besides, to be able to manage and play the games you have purchased on Steam, the Steam Client is also an indispensable application.

For someone who is passionate about the Counter Strike game series like me, it has been with me for nearly 4 years 😀

Yes, being a software, errors are more or less inevitable during use, and the error I’m talking about here is Failed to load vaporui.dll – When you encounter this error, it will prevent you from opening Steam because the file cannot be loaded dll .

That’s why in this article, I will give you detailed instructions How to fix Failed to load vaporui.dll error on Windows operating system!

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I. Causes and how to fix Failed to load vaporui.dll error

This is a very common error when you use Steam on Windows 10, the cause is the file SteamUI.dll is missing, or has an error that prevents Steam from downloading this library.

Resulting in you not being able to open Steam or the game you want to play and appear error message Failed to load steamui.dll as shown below.

In addition, the cause could also be that you deleted the file by mistake or a virus attacked and deleted it.

But luckily for us, although this error is serious, it can be easily fixed by the methods below. Please try each method below until you fix the Failed to load steamui.dll error!

#1. Re-register steamui.dll on Windows 10

There are several cases steamui.dll still exists on Windows, but for some reason Windows 10 cannot read and use it, so re-registering steamui.dll might help fix this problem.

How to re-register .dll Very simple, applies to other .dlls on the system too.

Perform: First, open the search window on Windows ( Windows + S ) => then enter the keyword search box cmd => and select the line Run as Administrator in the right box to run Command Prompt with Admin rights.

Or You can also open CMD with Admin rights by opening the Run dialog box (Windows + R) => then enter the command line cmd as usual, but don’t rush to press Enter always and instead use key combinations CTRL + SHIFT + ENTER okay.

See more articles: How to open CMD with Admin rights!

The Command Prompt window appears, paste this command line regsvr32 steamui.dll => come in Enter to re-register the library SteamUI.dll with Windows 10.

If after running there are no errors, restart your computer for these changes to take effect.

In case, after booting, the error is still not fixed, or you receive an error message The module “SteamUI.dll” failed to load as shown below, try the next methods.

#2. Clear Steam Download Cache

Erase Cache Download In some cases this error can also be corrected. This is a common way to fix the error of not being able to download or open games on Steam. Rest assured that this will not affect the games you have previously downloaded after logging back in.

However, this method only applies when you can still open Steam but cannot open the game, if you cannot open Steam because lỗi Failed to load Steamui.dll Then go to the next method.

To do that, first open Steam, when you open this main interface window, click on it Steam => and select Settings to open general settings.

Then in this general settings section, go to section Downloads => and you will immediately see the button CLEAR DOWNLOAD CACHE to clear Steam’s Download Cache.

A small pop-up appears warning that this will delete the entire Download Cache on the hard drive, and exit Steam => just click OK Just to confirm. Then remember to restart Windows again and check to see if the error has been fixed!

#3. Update libswscale-3.dll and steamui.dll again

In many cases, errors Failed to load steamui.dll This is not because the SteamUI.dll file is actually missing.

One of those cases is due to file libswscale-3.dll and steamui.dll corrupted, making it impossible for Steam to read and use them. To fix it, you just need to update 2 files .dll This is okay.

Perform: First, right-click on the icon Steam Client on the Desktop screen => and select Open file location to open this application installation folder.

Alternatively, you can paste the path straight C:\Program Files (x86)\Steam into your address bar File Explorer (Windows + E) for faster access.

Then, find and delete 2 files libswscale-3.dll and steamui.dll in this folder, remember to completely exit Steam under the Taskbar before you can delete it!

Finally, you just need to reopen Steam and this software will replace the files you just deleted with the original files downloaded from Steam’s servers and the error will be fixed.

If it still doesn’t work, then the error is not caused by these two files, please go to the next method.

#4. Re-edit the Steam Shortcut

Continue right-clicking on the Steam icon on the Desktop => then select Properties instead of Open file location as above to open options about this Shortcut.

Window Steam Properties appears, keep the tab intact Shortcut this => then fill in more lines -clientbeta client_candidate after the file path steam.exe in the box Target .

Once done, you will have a path like this:

“C:\Program Files (x86)\Steam\Steam.exe” -clientbeta client_candidate

Finally, click OK to apply, and run Steam again to see if you still get the Failed to load steamui.dll error.

#5. Remove BETA version

Beta is a test version of the application, not a complete version, so there will be more errors than usual, and if you are using the Steam Beta version, it is easy to encounter this error.

Therefore, removing this BETA version can help you fix the Failed to load SteamUI.dll error. Deleting is not difficult at all, and you don’t need to open Steam to do it.

First of all, you also access the Steam installation folder as cách #3 above. In this there will be a folder named PACKAGE contains Steam package data like in the picture, you can access it to continue.

You will see a folder named beta contains data of Steam Beta are using, but if you are not using Steam Beta, it will not have this folder.

Now right click on this folder => then select Delete just to delete it. Then restart Windows 10, reopen Steam and it will automatically update the necessary files to return to the regular Steam version and the error will probably disappear.

#6. Reinstall Steam Client

If you’ve tried all the above methods and still don’t work, the error is quite serious, the only way now is to reinstall the Steam Client.

But before reinstalling, if you play CS:GO and use your own config, please save it somewhere else.

Or If you play games that weigh about 20-30GB, you should visit C:\Program Files (x86)\Steam\Steamapps (with Windows 64bit) => then copy those heavy games to another folder, when you finish installing Steam, copy them back to Steamapps to save you the trouble of reloading them.

Then you can enter Program and Features => then uninstall Steam like a normal software.

NOTE: Leave open Programs and Features Quickly, open the RUN dialog box (Windows + R) => enter command appwiz.cpl => and press Enter,

But I encourage you to use special software to completely remove the software (under the comment section of this link there is a copyright key) For Steam to be completely installed, the possibility of fixing the error is higher.

II. Conclusion

So I have just shared with you the most effective ways to fix the error of not being able to open Steam due to error messages. Failed to load vaporui.dll on Windows operating system already.

If you apply all the above methods and it still doesn’t work, I think the problem lies in the Windows operating system you are using. To save time fixing errors, the only way is to reinstall Windows 10 for stability.

In addition to the above methods, if you know any other ways, please comment below to share with everyone. Hope this article will be useful. Wish you success!

Collaborator: Nguyen Thanh Tung – Blogchiasekienthuc.com