Solved! How to Fix the Msctfui.dll Was Not Found or Missing?

What Is Msctfui.dll?

Msctfui.dll is a module of the Microsoft Windows operating system that belongs to Microsoft Corporation. Some applications or games may require this file to work properly.

Recently, some users have complained about encountering msctfui.dll missing error. Some users have also reported that they have encountered msctfui.dll containing an error while running Windows. Below is a question raised by a user on the forum.

When I boot up my PC I get the error "C:\windows\system32\msctfui.dll is not designed to run on Windows or contains an error". The information I can find says to uninstall the program that has the error. How do I know what program is causing this error?https://answers.microsoft.com/en-us/windows/forum/all/cwindowssystem32msctfuidll-not-designed-to-run-on/e39e6e01-2969-e011-8dfc-68b599b31bf5

So why does this problem occur and how to solve it? Please continue reading below.

Why Does Msctfui.dll Missing Error Occur?

Errors related to msctfui. dll can arise for a few different different reasons. For instance, a faulty application, msctfui. dll has been deleted or misplaced, corrupted by malicious software present on your PC, or a damaged Windows registry.

Faced with the msctfui.dll missing/not found issue, you can use the following solutions to fix it.

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How to Fix Msctfui.dll Missing Error

If you are experiencing msctfui.dll was not found error, you can try the solutions below to fix it.

Solution 1: Repair Corrupted System Files

SFC can scan and repair missing or corrupted system files. If the msctfui.dll not found error occurs due to file corruption, you can use the SFC and DISM to repair corrupted system files.

Step 1: Type cmd in the Search box and choose Run as administrator from the right side.

Step 2: Select the Yes button in the UAC prompt.

Step 3: Type the command: sfc/scannow in the Command Prompt window, and press Enter.

Step 4: After scanning, type the following commands and press Enter at the end of each command line.

• Dism /Online /Cleanup-Image /CheckHealth
• Dism /Online /Cleanup-Image /ScanHealth
• Dism /Online /Cleanup-Image /RestoreHealth

Solution 2: Update Windows

Windows updates frequently include numerous fixes for issues like corrupted or missing DLL files and other settings. Therefore, when you encounter the msctfui.dll missing error, it’s important to verify if your Windows system is updated. If it isn’t, make sure to update it to the latest version and see if the error resolves.

Step 1: Press the Windows + I key combination to open Windows Settings.

Step 2: Select Update & Security > Windows Update > Check for updates.

Solution 3: Re-register the Msctfui.dll File

Re-registering the missing or corrupted msctfui.dll file can occasionally resolve the error. You can do this through Command Prompt. Here’s how:

Step 1: Type Command Prompt in the Search box. Then, right-click on the relevant result and choose Run as administrator from the right side.

Step 2: In the prompt window, type in the following command and press Enter:

regsvr32 /u msctfui.dll

Step 3: After that, type the next command and hit Enter:

regsvr32 /i msctfui.dll

Step 4: Once you’ve executed the commands above, try opening the program to see if the msctfui.dll not found error is resolved.

Solution 4: Perform System Restore

If you have created a system restore point before, you can use Windows’ built-in tool, Windows System Restore, to help you restore your system to a state without the problem. Here are the specific steps:

Step 1: Press Windows logo key + R to open the Run box. Then type rstrui in the Run box and press Enter to open the System Restore window.

Step 2: In the pop-up window, click the Next button.

Step 3: Check the Show more restore points checkbox. Select Restore point when the issue did not exist and click Next.

Step 5: Then confirm your restore point by clicking the Finish button.

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Bottom Line

Are you facing the “msctfui.dll was not found” error? Here’s how you can fix it. Simply follow the methods mentioned above.