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 on your Windows PC, install it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and general tool to clean your Windows system.


2. Run Advanced Uninstaller PRO. It's recommended to take your time to admire the program's design and wealth of features available. Advanced Uninstaller PRO is a very useful Windows tool.

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

4. Press the Uninstall Programs feature
Go to Uninstall Programs

5. All the programs existing on your computer will be shown to you

6. Navigate the list of programs until you find Defraggler or simply click the Search field and type in "Defraggler". If it is installed on your PC the Defraggler application will be found very quickly. When you select Defraggler in the list of apps, some data about the program is made available to you:

  • Safety rating (in the left lower corner). The star rating explains the opinion other users have about Defraggler, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Click on the Read reviews button.
  • Technical information about the app 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