Smart Defrag 3 Smart Defrag 3

How to uninstall Smart Defrag 3 from your system

Smart Defrag 3 is a computer program. This page holds details on how to remove it from your computer. It was coded for Windows by IObit. More information about IObit can be seen here. Further information about Smart Defrag 3 can be seen at . The application is usually located in the C:\Program Files (x86)\IObit\Smart Defrag 3 folder (same installation drive as Windows). C:\Program Files (x86)\IObit\Smart Defrag 3\unins000.exe is the full command line if you want to uninstall Smart Defrag 3. The application's main executable file is called SmartDefrag.exe and occupies 3.28 MB (3435808 bytes).

The executables below are part of Smart Defrag 3. They occupy an average of 21.72 MB (22770856 bytes) on disk.

  • ActionCenterDownloader.exe (1.68 MB)
  • ADSRemovalSetup.exe (3.87 MB)
  • AutoUpdate.exe (2.25 MB)
  • SDInit.exe (1.80 MB)
  • SDSendBugReport.exe (1.04 MB)
  • SD_FreeSoftwareDownloader.exe (2.16 MB)
  • SmartDefrag.exe (3.28 MB)
  • unins000.exe (1.14 MB)
  • UninstallPromote.exe (2.03 MB)
  • SmartDefragBootTime.exe (33.28 KB)
  • SmartDefragBootTime.exe (30.28 KB)
  • SmartDefragBootTime.exe (33.78 KB)
  • SmartDefragBootTime.exe (30.78 KB)
  • SmartDefragBootTime.exe (33.28 KB)
  • SmartDefragBootTime.exe (30.28 KB)
  • SmartDefragBootTime.exe (33.28 KB)
  • SmartDefragBootTime.exe (30.28 KB) to view all...

This web page is about Smart Defrag 3 version 3.3 alone. You can find below info on other releases of Smart Defrag 3:

Smart Defrag 3 has the habit of leaving behind some leftovers.

Folders found on disk after you uninstall Smart Defrag 3 from your computer:
  • C:\Users\UserName\AppData\Roaming\IObit\Smart Defrag 2
  • C:\Users\UserName\AppData\Roaming\IObit\Smart Defrag 3

Generally the following registry data will not be removed:
  • HKEY_LOCAL_MACHINE\Software\IObit\Smart Defrag 2
  • HKEY_LOCAL_MACHINE\Software\IObit\Smart Defrag 3
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Smart Defrag 3_is1

Additional registry values that you should clean:
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\SmartDefragBootTime\LogFileDir

How to delete Smart Defrag 3 from your PC using Advanced Uninstaller PRO

Smart Defrag 3 is a program offered by the software company IObit. Frequently, people try to erase this application. This is easier said than done because removing this manually takes some knowledge related to removing Windows applications by hand. One of the best SIMPLE approach to erase Smart Defrag 3 is to use Advanced Uninstaller PRO. Here is how to do this:

1. If you don't have Advanced Uninstaller PRO already installed on your Windows system, install it. This is a good step because Advanced Uninstaller PRO is one of the best uninstaller and all around utility to clean your Windows computer.


2. Run Advanced Uninstaller PRO. It's recommended to take some time to admire Advanced Uninstaller PRO's interface and wealth of features available. Advanced Uninstaller PRO is a very good Windows optimizer.

3. Press the General Tools button
Go to General Tools

4. Click on 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 Smart Defrag 3 or simply click the Search feature and type in "Smart Defrag 3". If it exists on your system the Smart Defrag 3 program will be found very quickly. When you select Smart Defrag 3 in the list of programs, the following data about the application is made available to you:

  • Star rating (in the left lower corner). This tells you the opinion other people have about Smart Defrag 3, from "Highly recommended" to "Very dangerous".
  • Opinions by other people - Press the Read reviews button.
  • Technical information about the application you want to remove, by clicking on the Properties button.
For instance you can see that for Smart Defrag 3:

  • The software company is:
  • The uninstall string is: C:\Program Files (x86)\IObit\Smart Defrag 3\unins000.exe
7. Click the Uninstall button. A confirmation dialog will appear. accept the uninstall by pressing Uninstall. Advanced Uninstaller PRO will automatically remove Smart Defrag 3.
Uninstall Smart Defrag 3

8. After uninstalling Smart Defrag 3, Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to perform the cleanup. All the items that belong Smart Defrag 3 that have been left behind will be found and you will be able to delete them. By uninstalling Smart Defrag 3 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 run without errors or problems.


Geographical user distribution

  • 10.0
  • Windows 8.1 (6.3)
  • Windows 7 (6.1)
  • Windows XP (5.1)
  • Windows Vista (6.0)
  • Windows 8 (6.2)
  • Windows Server 2003 (5.2)
  • Windows 2000 (5.0)
  • Windows (6.4)
Software Application


The text above is not a recommendation to remove Smart Defrag 3 by IObit from your PC, we are not saying that Smart Defrag 3 by IObit is not a good application. This page only contains detailed instructions on how to remove Smart Defrag 3 supposing you decide this is what you want to do. The information above contains registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2016-06-19 / Written by Daniel Statescu for Advanced Uninstaller PRO

follow @DanielStatescu
Last update on: 2016-06-19 11:33:04.867