Defraggler Defraggler

A way to uninstall Defraggler from your computer

This page is about Defraggler for Windows. Below you can find details on how to uninstall it from your computer. It was created for Windows by Piriform. You can find out more on Piriform or check for application updates here. The application is frequently found in the C:\Program Files\Defraggler folder. Keep in mind that this location can vary depending on the user's decision. C:\Program Files\Defraggler\uninst.exe is the full command line if you want to remove Defraggler. Defraggler64.exe is the programs's main file and it takes approximately 3.47 MB (3642720 bytes) on disk.

Defraggler is composed of the following executables which occupy 8.37 MB (8779816 bytes) on disk:

  • Defraggler.exe (2.79 MB)
  • Defraggler64.exe (3.47 MB)
  • df.exe (925.84 KB)
  • df64.exe (1.03 MB)
  • uninst.exe (172.16 KB)

The current web page applies to Defraggler version 2.11 only. You can find here a few links to other Defraggler releases: to view all...
Some files and registry entries are typically left behind when you uninstall Defraggler.

You should delete the folders below after you uninstall Defraggler:
  • C:\Program Files\Defraggler

Check for and delete the following files from your disk when you uninstall Defraggler:
  • C:\Program Files\Defraggler\Defraggler64.exe
  • C:\Program Files\Defraggler\DefragglerShell64.dll

Supplementary registry values that are not cleaned:
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\Defraggler\Defraggler64.exe

How to uninstall Defraggler with Advanced Uninstaller PRO

Defraggler is an application by the software company Piriform. Frequently, users decide to erase it. This can be easier said than done because removing this by hand requires some knowledge regarding Windows program uninstallation. One of the best EASY way to erase Defraggler is to use Advanced Uninstaller PRO. Take the following steps on how to do this:

1. If you don't have Advanced Uninstaller PRO already installed on your Windows PC, add it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and all around tool to take care of your Windows computer.


  • visit Download Link
  • download the setup by pressing the DOWNLOAD NOW button
  • set up Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's interface and number of functions available. Advanced Uninstaller PRO is a very useful PC management program.

3. Click on the General Tools category
Go to General Tools

4. Click on the Uninstall Programs feature
Go to Uninstall Programs

5. A list of the applications installed on your computer will be made available to you

6. Scroll the list of applications until you locate Defraggler or simply activate the Search feature and type in "Defraggler". If it exists on your system the Defraggler application will be found very quickly. When you select Defraggler in the list of applications, the following data regarding the program is shown to you:

  • Star rating (in the lower left corner). The star rating tells you the opinion other people have regarding Defraggler, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other people - Click on the Read reviews button.
  • Details regarding the application you are about to uninstall, by pressing the Properties button.
7. Click the Uninstall button. A confirmation dialog will show up. Confirm the removal by clicking the Uninstall button. Advanced Uninstaller PRO will automatically uninstall Defraggler.
Uninstall Defraggler

8. After removing Defraggler, Advanced Uninstaller PRO will offer to run an additional cleanup. Press Next to perform the cleanup. All the items of Defraggler which have been left behind will be detected and you will be asked if you want to delete them. By uninstalling Defraggler with Advanced Uninstaller PRO, you can be sure that no Windows registry entries, files or directories are left behind on your disk.

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

Geographical user distribution

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


The text above is not a piece of advice to remove Defraggler by Piriform from your computer, nor are we saying that Defraggler by Piriform is not a good application. This text only contains detailed instructions on how to remove Defraggler in case you want to. The information above contains registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.

2016-06-22 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2016-06-22 07:54:49.473