Tlặng Fisher has more than 30 years' of professional technology experience. He's been writing about tech for more than two decades và serves as the VP and General Manager of

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Steamui.dll errors are caused by situations that lead khổng lồ the removal or corruption of the steamuiDLL file.

In some cases, steamui.dll errors could indicate aregistryproblem, a virus ormalwareissue, or even ahardwarefailure.

Error messages regarding this DLL tệp tin could apply lớn any of Microsoft"soperating systems, including Windows 10 through Windows XP.


There are several different ways that this error might show up on your computer. Here are some of the more common ways that you might see them:

Steamui.dll Not FoundThis application failed to lớn start because steamui.dll was not found. Re-installing the application may fix this problem.Cannot find steamui.dllFailed to load steamui.dllThe tệp tin steamui.dll is missing.Cannot start . A required component is missing: steamui.dll. Please install again.

A steamui.dll error might appear when Windows starts, when a program is opened, when a program is running, when a program is closed, or at nearly any time during a session of Windows.

Do not tải về steamui.dll from a "DLL download" trang web. There are many reasons why downloading a DLL file is a bad idea. If you need a copy of this tệp tin, it"s best to obtain it from its original, legitimate source.

Start Windows in Safe Mode to lớn complete any of the following steps if you"re unable lớn access Windows normally due lớn the error.

Follow these steps in order lớn address the various sources of problems that contribute to lớn this error:

Restore the tệp tin from the Recycle Bin. The easiest possible cause of a "missing" steamui.dll file is that you"ve sầu mistakenly deleted it.

If you suspect that you"ve accidentally deleted this DLL file but you"ve sầu already emptied the Recycle Bin, you may be able to lớn recover it with a không tính phí tệp tin recovery program.

Recovering a deleted copy of steamui.dll with a tệp tin recovery program is a smart idea only if you're confident you've deleted the tệp tin yourself and that it was working properly before you did that.

Delete the steamui.dll or libswscale-3.dll file to lớn force Steam lớn replace it. You may instead need to remove sầu a thư mục called "beta."

If either of these DLL files is actually still present at therootof Steam"s installation directory (which is normallyC:Program Files (x86)Steam)and haven"t been deleted, try deleting the steamui.dll orlibswscale-3.dlltệp tin. Then, open Steam to force it khổng lồ update the program & replace the DLL file with a fresh one.

If that doesn"t work or if you"re using a beta version of Steam, the quickest way to resolve the DLL error may be to remove theC:Program Files (x86)Steampackageetafolder.

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This method of deleting a tệp tin or thư mục is only helpful if the DLL tệp tin isn't actually missing but is just not communicating with Steam for one reason or another. So, it's only useful if you have sầu an error message like "Failed khổng lồ load steamui.dll," not one that indicates that the DLL file is missing.

Refresh your Steam filesto lớn repair corrupt files & possibly restore the tệp tin baông chồng khổng lồ working order.

Uninstall và then reinstall Steam, using the instructions provided in that link. Sometimes, after Steam updates or due khổng lồ some other problem, an error about the steamui.dll file appears và reinstalling is the best way to go.

Try your best lớn complete this step. Reinstalling Steam is the most likely solution to these errors if the three ideas above don't work with your situation.

Repair your installation of Windows. If the individual troubleshooting advice above is unsuccessful, performing a startup repair or repair installation should restore all Windows DLL files lớn their working versions. The steamui DLL tệp tin might rely on some of them in order to work properly.

Run a virus/malware scan of your entire system. Some steamui.dll errors could be related khổng lồ a virut or other malware infection on your computer that has damaged the DLL file.

It's even possible that the error you're seeing is related khổng lồ a hostile program that's masquerading as the tệp tin.

Use System Restore lớn unbởi vì recent system changes. If you suspect that the DLL error was caused by a change made lớn an important file or configuration, a System Restore could solve the problem.

Update the drivers for hardware devices that might be related to the DLL file. If, for example, you"re receiving a "The tệp tin steamui.dll is missing" error when you play a đoạn phim game, try updating the drivers for your sound card and video clip card.

Roll back a driver to lớn a previously installed version if steamui.dll errors began after updating a particular hardware device"s driver.

Test your memory và then kiểm tra your hard drive sầu. We"ve left the majority of hardware troubleshooting to lớn the last step, but your computer"s memory & hard drive sầu are easy khổng lồ test and are the most likely components that might cause steamui.dll errors as they fail.

If the hardware fails any of your tests, replace the memory or replace the hard drive sầu.

Use a miễn phí registry cleaner to repair steamui.dll related issues in the registry. A không tính tiền registry cleaner program may be able khổng lồ help by removing invalid DLL registry entries that might be causing the error.

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Troubleshoot for a hardware problem if any steamui.dll errors persist. While it"s possible that a clean install of Windows could help, it"s unlikely. At this point, the problem is likely hardware related.

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