What is JetFlExt.dll?

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

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JetFlExt.dll file information

The process known as Shell Extension for jetAudio belongs to software COWON Media Center - jetAudio or COWON Media Center - jetAudio Basic VX or COWON Media Center - jetAudio Plus or JetFlExt Module by JetAudio ( or COWON America (

Description: JetFlExt.dll is not essential for the Windows OS and causes relatively few problems. JetFlExt.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 244,224 bytes (47% of all occurrences), 159,812 bytes, 240,128 bytes or 147,524 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 has no visible window. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The JetFlExt.dll file is not a Windows system file. Therefore the technical security rating is 66% dangerous.

Uninstalling this variant: You can uninstall the program COWON Media Center - jetAudio Basic VX or COWON Media Center - jetAudio, or ask the software vendor for support. Click on COWON Media Center - jetAudio Basic VX or COWON Media Center - jetAudio in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify JetFlExt.dll related errors

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


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Best practices for resolving JetFlExt issues

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

JetFlExt.dll [all]