Defraggler Defraggler

A way to uninstall Defraggler from your system

You can find on this page details on how to remove Defraggler for Windows. It was coded for Windows by Piriform. Further information on Piriform can be seen here. Defraggler is commonly set up in the C:\Program Files\Defraggler folder, depending on the user's option. The complete uninstall command line for Defraggler is C:\Program Files\Defraggler\uninst.exe. The application's main executable file is titled Defraggler.exe and its approximative size is 1.84 MB (1930552 bytes).

The following executables are contained in Defraggler. They take 2.68 MB (2809520 bytes) on disk.

  • Defraggler.exe (1.84 MB)
  • df.exe (741.30 KB)
  • uninst.exe (117.06 KB)

The information on this page is only about version 1.20 of Defraggler. For other Defraggler versions please click below: to view all...
After the uninstall process, the application leaves leftovers on the computer. Part_A few of these are listed below.

Directories found on disk:
  • C:\Program Files\Defraggler

The files below were left behind on your disk when you remove Defraggler:
  • C:\Users\%user%\Desktop\soft ware\Defraggler.lnk

Registry keys:
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing\Defraggler_RASAPI32
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing\Defraggler_RASMANCS

How to delete Defraggler from your PC using Advanced Uninstaller PRO

Defraggler is a program released by the software company Piriform. Some computer users want to uninstall this program. This is difficult because deleting this by hand requires some advanced knowledge related to removing Windows programs manually. The best QUICK practice to uninstall Defraggler is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:

1. If you don't have Advanced Uninstaller PRO already installed on your system, install it. This is good because Advanced Uninstaller PRO is an efficient uninstaller and general tool to optimize your PC.


  • visit Download Link
  • download the setup by clicking on the DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. It's recommended to take some time to get familiar with the program's design and number of tools available. Advanced Uninstaller PRO is a very useful program.

3. Press the General Tools category
Go to General Tools

4. Press the Uninstall Programs button
Go to Uninstall Programs

5. All the programs existing on the PC will be made available to you

6. Scroll the list of programs until you locate Defraggler or simply click the Search field and type in "Defraggler". If it exists on your system the Defraggler application will be found very quickly. When you click Defraggler in the list , some data about the application is made available to you:

  • Star rating (in the left lower corner). The star rating tells you the opinion other users have about Defraggler, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Press the Read reviews button.
  • Details about the application you want to uninstall, by clicking on the Properties button.
7. Press the Uninstall button. A confirmation dialog will appear. accept the removal by clicking the Uninstall button. Advanced Uninstaller PRO will uninstall Defraggler.
Uninstall Defraggler

8. After removing Defraggler, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to go ahead with the cleanup. All the items that belong Defraggler which have been left behind will be detected and you will be able to delete them. By uninstalling Defraggler with Advanced Uninstaller PRO, you can be sure that no registry entries, files or folders are left behind on your system.

Your computer will remain clean, speedy and able to take on new tasks.

Geographical user distribution

  • Windows XP (5.1)
  • Windows 8.1 (6.3)
  • Windows 8 (6.2)
  • Windows 7 (6.1)
  • 10.0
  • Windows Server 2003 (5.2)
  • Windows Vista (6.0)
Software Application


This page is not a recommendation to uninstall Defraggler by Piriform from your PC, nor are we saying that Defraggler by Piriform is not a good application for your computer. This text simply contains detailed instructions on how to uninstall Defraggler supposing you want to. The information above contains registry and disk entries that our application Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.

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

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Last update on: 2016-06-22 15:08:00.970