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What does the mididef.exe file do?

The mididef.exe process is also known as mididef and is a part of Creative Audio Product. This software is produced by Creative Technology (www.creative.com). An obsolete or defective version of mididef.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about mididef.exe mididef

mididef.exe is not part of Windows, but it is important nonetheless. The file mididef.exe is found in the C:\Windows directory. Frequently occurring are file sizes such as 49,152 bytes (57% of all these files) or, as the case may be, 24,576 bytes.
The program appears as a window on the desktop. Windows starts the process each time that the computer boots up (Registry: Run, DEFAULT\Runonce). This file was developed by a so-called third party provider - and not by Microsoft. For this reason, 20% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

A mididef.exe file has a 0% certainty of being dangerous if it is found in the C:\Windows\System32 directory. In this case, the file size is usually 28,672 bytes. The program appears as a window on the desktop. The original file was created by Microsoft. The file itself can therefore be considered trustworthy. Windows starts the process each time that the computer boots up (Registry: Run, DEFAULT\Runonce). The mididef file is not part of the Windows operating system. mididef.exe appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves mididef.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about mididef?

Related to Creative Audigy 2 ZS Soundcard
Harvey Phillips
Also present in X-fi drivers
Th3ProphetMan
It disabled my Media Player
Matt Taylor
when i disabled it in "msconfig" - "startup" - my cd-rom stopped opening when i press the "open button".
Lensy
It belongs to the Creative Audio Drivers
MJay27

Summary: 15 users judge mididef.exe to be an essential file that should not be touched. For this reason, one user has already deleted mididef.exe. source: file.net

How to uninstall Creative Audio Product

To remove mididef from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate Creative Audio Product in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
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How to tell if mididef.exe (mididef) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of mididef. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for mididef or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or mididef.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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