What is M2WShlEx.dll?

The genuine M2WShlEx.dll file is a software component of MP3 To Wave Converter PLUS by Acoustica.
M2WShlEx.dll is a DLL (Dynamic Link Library) file that belongs to MP3 To Wave Converter PLUS, a media transcoder that converts MP3 and WMA files into WAV files that are compatible with audio CDs. DLL files store data, code and resources needed by one or more programs in order to function correctly. This is not a critical Windows component and should be removed if known to cause problems. MP3 To Wave Converter PLUS features a 32 bit sound engine with anti-aliasing, batch conversion of entire folders and subfolders, integration with system shell meaning files can be converted with a single right-click, audio normalization, music playlist conversion (.M3U, .PLS) to WAV, etc. Acoustica is an American company that primarily develops software tailored towards recording artists, music producers and DJs. The company was founded in 1998 and is currently based in Oakhurst, California, USA.

M2WShlEx stands for Mp3 2(to) Wave Converter Plus Shell Extension DLL

M2WShlEx.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if M2WShlEx.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for M2WShlEx.dll related errors

M2WShlEx.dll file information

The process known as Mp3 to Wave Converter Plus Shell Extension DLL belongs to software Mp3 to Wave Converter Plus Shell Extension by Acoustica (

Description: M2WShlEx.dll is not essential for the Windows OS and causes relatively few problems. M2WShlEx.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 77,824 bytes (76% of all occurrences) or 73,728 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The M2WShlEx.dll file is not a Windows system file. The process can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 54% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can also uninstall Acoustica MP3 To Wave or MP3 To Wave Converter PLUS from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify M2WShlEx.dll related errors

Important: Some malware camouflages itself as M2WShlEx.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the M2WShlEx.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

A .dll used to process files in Mp3 to Wave Converter Plus

Summary: Average user rating of M2WShlEx.dll: based on 1 vote with 1 user comment. One user thinks M2WShlEx.dll is essential for Windows or an installed application.

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Best practices for resolving M2WShlEx issues

A clean and tidy computer is the key requirement for avoiding problems with M2WShlEx. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the M2WShlEx.dll process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

M2WShlEx.dll [all]