21.WINMM.dll Fix - Windows 11, 10, 8, 7, Vista & XP

Recommended: Use Fortect System Repair to repair 21.WINMM.dll errors. This repair tool has been proven to identify and fix errors and other Windows problems with high efficiency. Download Fortect here.

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Filename
21.WINMM.dll
Version
Filesize
801.79 B
Category
Generic
MD5
1118c44caf499d3ad03cf2b4d719c99c
SHA1
3d0de22263938c76217d04c74826d7a7d3f4173c
SHA256
8bfff585a7953b9c8f01d5aceee2ddd26dda89030a48f04dd15cca6660af4c57
CRC32
26628601

If you've ever encountered a 21.WINMM.dll error on your computer, you're not alone. Dynamic Link Library (DLL) files like 21.WINMM.dll play a crucial role in the functionality of Windows operating systems and software applications. Specifically, 21.WINMM.dll is responsible for handling multimedia operations, such as audio and video playback.

However, users may encounter issues such as missing or corrupted 21.WINMM.dll files, which can lead to errors and disruptions in multimedia-related tasks. In this article, we'll delve into the significance of DLL files, explore the role of "21.WINMM.dll," and offer solutions for common issues related to this file.

System Error - 21.WINMM.dll
Missing 21.WINMM.dll is causing the program startup issue. Try a reinstallation for a solution.

What is 21.WINMM.dll?

A DLL (Dynamic Link Library) file is a type of file that contains code and data that can be used by more than one program at the same time. The 21.WINMM.dll file specifically is part of the Windows operating system and is responsible for providing functions related to multimedia operations, such as playing sound files and controlling audio devices. When it comes to the software Microsoft Visual Studio Enterprise 2015, the 21.WINMM.dll file plays a crucial role in ensuring that multimedia functionalities are properly supported within the development environment.

This is important because it allows developers using Microsoft Visual Studio Enterprise 2015 to integrate multimedia features, such as audio and video, into the applications they are building, enhancing the overall user experience and functionality of the software they create.

Although essential for system performance, dynamic Link Library (DLL) files can occasionally cause specific errors. The following enumerates some of the most common DLL errors users encounter while operating their systems:

  • Cannot register 21.WINMM.dll: This error is indicative of the system's inability to correctly register the DLL file. This might occur due to issues with the Windows Registry or because the DLL file itself is corrupt or improperly installed.
  • 21.WINMM.dll could not be loaded: This error indicates that the DLL file, necessary for certain operations, couldn't be loaded by the system. Potential causes might include missing DLL files, DLL files that are not properly registered in the system, or conflicts with other software.
  • 21.WINMM.dll is either not designed to run on Windows or it contains an error: This message implies that there could be an error within the DLL file, or the DLL is not compatible with the Windows version you're running. This could occur if there's a mismatch between the DLL file and the Windows version or system architecture.
  • 21.WINMM.dll not found: This indicates that the application you're trying to run is looking for a specific DLL file that it can't locate. This could be due to the DLL file being missing, corrupted, or incorrectly installed.
  • 21.WINMM.dll Access Violation: The error signifies that an operation attempted to access a protected portion of memory associated with the 21.WINMM.dll. This could happen due to improper coding, software incompatibilities, or memory-related issues.

File Analysis: Is 21.WINMM.dll a Virus?

The file named 21.WINMM.dll has successfully passed tests from various virus detection tools with no flagged security issues. This is certainly good news as it minimizes the risk to your computer's overall health and performance.

Maintaining Security

However, even with such reassuring results, not letting your guard down is important. Regular system updates and routine security scans are pivotal in maintaining your computer's security and operational effectiveness. This way, you can continue to confidently use 21.WINMM.dll as part of your daily computer activities.

How to Remove 21.WINMM.dll

If the need arises to completely eliminate the 21.WINMM.dll file from your system, follow these steps cautiously. When dealing with system files, it's crucial to exercise care to avoid unexpected system behavior.

  1. Locate the File: Begin by finding the whereabouts of 21.WINMM.dll on your computer. You can do this by right-clicking the file (if visible) and selecting Properties, or by employing the search feature in File Explorer.

  2. Safeguard Your Data: Before proceeding, ensure you have a backup of important data. This ensures that your vital files are secure in case of any mishaps.

  3. Remove the File: Once you've pinpointed 21.WINMM.dll, right-click on it and choose Delete. This action moves the file to the Recycle Bin.

  4. Empty the Recycle Bin: After deleting 21.WINMM.dll, don't forget to empty the Recycle Bin to entirely purge the file from your system. Right-click on the Recycle Bin and select Empty Recycle Bin.

  5. Conduct a System Scan: Following the file removal, execute a comprehensive system scan using a reputable antivirus tool to ensure there are no lingering file remnants or potential threats.

Note: It's important to note that if 21.WINMM.dll is tied to a specific program, its removal may impact the program's functionality. If you encounter issues post-deletion, consider reinstalling the software or seeking assistance from a tech expert.

Repair 21.WINMM.dll Error Automatically

Featured Guide
Repair 21.WINMM.dll Error Automatically Thumbnail
Difficulty
Easy
Steps
9
Time Required
3 minutes
Sections
3
Description

In this guide, we will fix 21.WINMM.dll errors automatically.

Step 1: Download Fortect (AUTOMATIC FIX)

Step 1: Download Fortect (AUTOMATIC FIX) Thumbnail
  1. Click the Download Fortect button.

  2. Save the Fortect setup file to your device.

Step 2: Install Fortect

Step 2: Install Fortect Thumbnail
  1. Locate and double-click the downloaded setup file.

  2. Follow the on-screen instructions to install Fortect.

Step 3: Run Fortect

Step 3: Run Fortect Thumbnail
  1. Finish the installation and open Fortect.

  2. Select the System Scan option.

  3. Allow Fortect to scan your system for errors.

  4. Review the scan results once completed.

  5. Click on Fix Errors to start the repair process.

Perform a Clean Boot

Perform a Clean Boot Thumbnail
Difficulty
Intermediate
Steps
13
Time Required
10 minutes
Sections
7
Description

How to perform a clean boot. This can isolate the issue with 21.WINMM.dll and help resolve the problem.

Step 1: Press Windows + R keys

Step 1: Press Windows + R keys Thumbnail
  1. This opens the Run dialog box.

Step 2: Open System Configuration

Step 2: Open System Configuration Thumbnail
  1. Type msconfig and press Enter.

Step 3: Select Selective Startup

Step 3: Select Selective Startup Thumbnail
  1. In the General tab, select Selective startup.

  2. Uncheck Load startup items.

Step 4: Disable All Microsoft Services

Step 4: Disable All Microsoft Services Thumbnail
  1. Go to the Services tab.

  2. Check Hide all Microsoft services.

  3. Click Disable all.

Step 5: Disable Startup Programs

Step 5: Disable Startup Programs Thumbnail
  1. Open Task Manager.

  2. Go to the Startup tab.

  3. Disable all the startup programs.

Step 6: Restart Your Computer

Step 6: Restart Your Computer Thumbnail
  1. Click OK on the System Configuration window.

  2. Restart your computer.

Step 7: Check if the Problem is Solved

Step 7: Check if the Problem is Solved Thumbnail
  1. After the computer restarts, check if the 21.WINMM.dll problem persists.

Run the Deployment Image Servicing and Management (DISM) to Fix the 21.WINMM.dll Errors

Run the Deployment Image Servicing and Management (DISM) to Fix the 21.WINMM.dll Errors Thumbnail
Difficulty
Intermediate
Steps
6
Time Required
10 minutes
Sections
3
Description

In this guide, we will aim to resolve issues related to 21.WINMM.dll by utilizing the (DISM) tool.

Step 1: Open Command Prompt

Step 1: Open Command Prompt Thumbnail
  1. Press the Windows key.

  2. Type Command Prompt in the search bar.

  3. Right-click on Command Prompt and select Run as administrator.

Step 2: Run DISM Scan

Step 2: Run DISM Scan Thumbnail
  1. In the Command Prompt window, type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.

  2. Allow the Deployment Image Servicing and Management tool to scan your system and correct any errors it detects.

Step 3: Review Results

Step 3: Review Results Thumbnail
  1. Review the results once the scan is completed.

Software that installs 21.WINMM.dll

Software File MD5 File Version
01989A61DB16BE1DD41A67E78624F65453160E94 2015
Files related to 21.WINMM.dll
File Type Filename MD5
DLL
06341B59FB4C0098C0D3FDC1292EADAB4E7FCAEB
DLL
040D07099CC4C1BDD8FDFB16F8C8FA46ED107649
DLL
05CBB136D07201EA2027A4F548594235FA09182D
DLL
04166E142D4EB1C699CF0C03DBEA2AA329EB470D
DLL
03FC60B9D197C015737FA8323638F8073249D9E4
DLL
0742B5032AC6D014FA661B393118CE6CC363181D
DLL
02C50C8E2445FEF93A133C1D424379792DC4B2BE
DLL
0202AF2E65CACE13C84F194643C263350C7EEC4C
DLL
05F192FFE48DD901811D9A131FC17379A784549C
DLL
01E3D250EDA0C6DA2ECF730CC4A8CF448FD106BB