Defraggler Defraggler

How to uninstall Defraggler from your computer

This web page is about Defraggler for Windows. Here you can find details on how to remove it from your PC. It was developed for Windows by Piriform. Open here for more details on Piriform. The program is often located in the C:\Program Files\Defraggler directory. Keep in mind that this location can vary being determined by the user's choice. C:\Program Files\Defraggler\uninst.exe is the full command line if you want to remove Defraggler. The application's main executable file is named Defraggler.exe and its approximative size is 2.35 MB (2467648 bytes).

The executable files below are part of Defraggler. They take an average of 3.33 MB (3487944 bytes) on disk.

  • Defraggler.exe (2.35 MB)
  • df.exe (845.81 KB)
  • uninst.exe (150.57 KB)

The information on this page is only about version 2.09 of Defraggler. You can find below info on other versions of Defraggler: to view all...
If you are manually uninstalling Defraggler we advise you to check if the following data is left behind on your PC.

Directories that were left behind:
  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Defraggler

The files below remain on your disk by Defraggler's application uninstaller when you removed it:
  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Defraggler\Defraggler Homepage.url
  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Defraggler\Defraggler.lnk
  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Defraggler\Uninstall Defraggler.lnk

Registry keys:
  • HKEY_CLASSES_ROOT\Software\Piriform\Defraggler
  • HKEY_CURRENT_USER\Software\Piriform\Defraggler
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Defraggler
  • HKEY_LOCAL_MACHINE\Software\Piriform\Defraggler

Supplementary registry values that are not cleaned:
  • HKEY_CLASSES_ROOT\Software\Piriform\Defraggler\InstallPath
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Defraggler\DisplayIcon
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Defraggler\DisplayName
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Defraggler\InstallLocation

A way to uninstall Defraggler from your PC with Advanced Uninstaller PRO

Defraggler is a program offered by Piriform. Frequently, people try to erase this program. Sometimes this can be difficult because uninstalling this manually requires some skill regarding removing Windows applications by hand. One of the best QUICK approach to erase Defraggler is to use Advanced Uninstaller PRO. Here is how to do this:

1. If you don't have Advanced Uninstaller PRO on your Windows PC, add it. This is good because Advanced Uninstaller PRO is a very useful uninstaller and all around utility to maximize the performance of your Windows PC.


  • navigate to Download Link
  • download the setup by clicking on the green DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. It's recommended to take some time to get familiar with Advanced Uninstaller PRO's interface and wealth of tools available. Advanced Uninstaller PRO is a very useful system utility.

3. Press the General Tools category
Go to General Tools

4. Press the Uninstall Programs tool
Go to Uninstall Programs

5. All the programs installed on your computer will appear

6. Scroll the list of programs until you find Defraggler or simply activate the Search feature and type in "Defraggler". If it is installed on your PC the Defraggler application will be found automatically. After you select Defraggler in the list of applications, some information regarding the application is available to you:

  • Star rating (in the lower left corner). The star rating tells you the opinion other users have regarding Defraggler, ranging from "Highly recommended" to "Very dangerous".
  • Reviews by other users - Press the Read reviews button.
  • Details regarding the app you wish to uninstall, by clicking on the Properties button.
7. Click the Uninstall button. A confirmation window will come up. accept the removal by pressing the Uninstall button. Advanced Uninstaller PRO will then remove Defraggler.
Uninstall Defraggler

8. After uninstalling Defraggler, Advanced Uninstaller PRO will offer to run an additional cleanup. Press Next to start the cleanup. All the items of Defraggler which have been left behind will be found and you will be able to delete them. By uninstalling Defraggler using Advanced Uninstaller PRO, you are assured that no Windows registry entries, files or directories are left behind on your computer.

Your Windows PC will remain clean, speedy and able to run without errors or problems.

Geographical user distribution

  • 10.0
  • Windows 7 (6.1)
  • Windows XP (5.1)
  • Windows Vista (6.0)
  • Windows 8 (6.2)
  • Windows 8.1 (6.3)
Software Application


This page is not a recommendation to uninstall Defraggler by Piriform from your computer, we are not saying that Defraggler by Piriform is not a good application. This text only contains detailed info on how to uninstall Defraggler in case you decide this is what you want to do. Here you can find registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2016-06-18 / Written by Andreea Kartman for Advanced Uninstaller PRO

follow @DeeaKartman
Last update on: 2016-06-18 20:45:04.907