A Full Guide to Fixing the Winmmbase.dll Error - Four Methods

Winmmbase.dll Error Fix Guide: Restore System Stability

DLL errors can be caused by a variety of reasons, and sometimes more serious problems can occur if the DLL is closely related to the system. But most problems can be solved in a similar way. This article will provide a more effective solution around winmmbase.dll error.

What is a Winmmbase.dll error?

DLL files are very important components in the Windows operating system. Many programs and system services rely on running DLL files. Therefore, once a DLL error is encountered, the system or program will fail, and the winmmbase.dll error is one of them.

When you encounter a winmmbase.dll crash problem, you will receive a simple message:

C:/WINDOWS/SYSTEM32/winmmbase.dll is not designed to run on Windows, or it contains errors

This winmmbase.dll error may be caused by corrupt system files, virus or malware infection, storage drive problems, etc. To resolve these issues, you can follow these steps.

Important tips:

DLL errors can easily cause system or program to crash, and your data may be lost during this process, especially for winmmbase.dll files closely related to the default Windows installation.

We strongly recommend that you develop good data backup habits. You can prepare a system backup so that you can quickly restore the system in the event of a crash problem. To do this, MiniTool ShadowMaker free version can meet your needs. It provides you with a one-click system backup solution, and also supports file/folder, partition/disk backup. Additionally, MiniTool allows you to clone SSDs to larger SSDs.

How to fix Winmmbase.dll error?

Method 1: Replace the DLL file

The first step to resolve the missing or unrecovered error of winmmbase.dll is to replace the corrupt DLL file. The DDL file is located in the C:\WINDOWS\System32 directory. If this file is not found, you need to go to another running Windows system with the same architecture (32-bit or 64-bit).

You can then copy the winmmbase.dll file to the flash drive and paste it into the System32 folder of the affected computer.

Method 2: Scan using SFC and DISM

Run SFC and DISM scans to check and repair corrupt system files. You can then restart your computer to see if the error can be fixed.

Step 1: Press Win R to open the Run window, type cmd , and then press Ctrl Shift Enter at the same time.

Step 2: Copy and paste this command, and press Enter to execute.

sfc /scannow

Wait for a while until the scan is complete, and then you can proceed to the next command – DISM /Online /Cleanup-Image /RestoreHealth .

After the results are displayed, you can restart the computer to check for errors.

Method 3: Reinstall the affected application

If you encounter this error while trying to access a dedicated program, you can follow these steps to uninstall and reinstall the program.

Step 1: Press Win I to open Settings and click Apps > Apps and Features .

Step 2: Scroll down to find the program, click it, and select Uninstall > Uninstall .

You can then download and install the program from the official source.

Method 4: Perform on-site upgrade

The last method is to perform an in-place upgrade. There are many options for Windows Update, you can go to Settings > Update and Security > Windows Update > Check for updates .

Because the winmmbase.dll error is related to a Windows installation, it may fail and you can try performing an in-place upgrade here. For detailed steps, you can refer to the following two articles:

• Windows 10 In-place Upgrade: A Step-by-Step Guide
• How to perform Windows 11 in-place upgrade?

Summarize:

This article explains how to fix the winmmbase.dll error, and for other related DLL errors, you can browse the MiniTool website for more help.

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