What is MidiSyn?

The genuine MidiSyn.sys file is a software component of MIDI Wavetable Synthesizer by Analog Devices.
MidiSyn.sys is a kernel driver that belongs to Analog Devices' MIDI Wavetable Synthesizer. A driver is a software program that adds functionality to peripheral devices. It can even add support for a specialized device in the computer. This is not an essential Windows process and can be disabled if known to create problems. Analog Devices is an American company that develops solutions in data conversion and signal processing technology. The company manufactures analog, mixed-signal and DSP (digital signal processing) that are widely used in electronic equipment. Analog Devices was founded by Ray Stata and Matthew Lorber, two MIT graduates, in 1965 and is currently headquartered in Norwood, Massachusetts, USA.

MIDISyn stands for Analog Devices MIDI Synthesizer

MidiSyn.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if MidiSyn.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for MidiSyn drivers in need of updating

MidiSyn.sys file information

The process known as Analog Devices Kernel DLS Synthesizer or MidiSyn belongs to software MIDI Wavetable Synthesizer or MidiSyn by Analog Devices (

Description: MidiSyn.sys is not essential for the Windows OS and causes relatively few problems. MidiSyn.sys is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 235,100 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. It is a trustworthy file from Microsoft. The program has no visible window. There is no detailed description of this service. The MidiSyn.sys file is not a Windows system file. MidiSyn.sys appears to be a compressed file. Therefore the technical security rating is 14% dangerous.

Recommended: Identify MidiSyn.sys related errors

Important: Some malware disguises itself as MidiSyn.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the MidiSyn.sys 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.


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Best practices for resolving MidiSyn issues

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

MidiSyn.sys [all]