What is audiodev.dll?

Audiodev.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 audiodev.dll is a Windows system file or if it belongs to an application that you can trust.

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Audiodev.dll file information

The process known as Portable Media Devices Shell Extension belongs to software Microsoft Windows Operating System by Microsoft (

Description: Audiodev.dll is not essential for Windows and will often cause problems. The audiodev.dll file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 480,768 bytes (22% of all occurrences), 484,352 bytes and 4 more variants. 
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. Audiodev.dll is not a Windows system file. The file is a Microsoft signed file. It can change the behavior of other programs or manipulate other programs. Therefore the technical security rating is 42% dangerous, however you should also read the user reviews.

Recommended: Identify audiodev.dll related errors

Important: Some malware camouflages itself as audiodev.dll. Therefore, you should check the audiodev.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

Can't it block non-licenced mp3s
It crashed a Windows install repeatedly whenever opening My Computer. I disabled loading it, and haven't had problems since
trend security has flaged it as a TROJ SPNR 0CGK11 virus and it has buried itself in my registry

Summary: Average user rating of audiodev.dll: based on 5 votes with 3 user comments. 3 users think it's probably harmless. One user suspects danger. One user thinks audiodev.dll is dangerous and recommends removing it. 2 users don't grade audiodev.dll ("not sure about it").

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Best practices for resolving audiodev issues

A clean and tidy computer is the key requirement for avoiding problems with audiodev. 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 audiodev.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

audiodev.dll [all]