84,488,480 programs installed

Should I remove Eusing Free Registry Defrag?

What percent of users and experts removed it?
56% remove it44% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #9,505
United States Rank #8,207
Reach 0.0391%
Lifespan of installation (until removal)
< 20.39 days
601.57 days >
Average installed length: 316.08 days

Eusing Free Registry Defrag

What is Eusing Free Registry Defrag?

Eusing Free Registry Defrag is registry fixer utility whose purported purpose is to remove redundant items from the Windows registry. The software helps to automate the process of looking for invalid entries, missing file references or broken links within the registry and resolving or removing them. The necessity and usefulness of registry cleaners is a controversial topic, with experts in disagreement over their benefits.

About  (from Eusing Software)

Eusing Free Registry Defrag is a free registry defragmentation software that optimizes registry by removing gaps, fragments and wasted space in Windows registry files. Eusing Free Registry Defrag can defragment and compact the Windows Registry in less than a minute. It will scan through the registry to remove any slack...  Read more


Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Manually stopping the service has been seen to cause the program to stop functing properly. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The primary executable is named RegDefrag.exe. The setup package generally installs about 5 files and is usually about 1.47 MB (1,541,763 bytes).

Program detailsProgram details

URL: www.eusing.com/free_registry_defrag/registry_defrag.htm
Installation folder: C:\Program Files\Eusing Free Registry Defrag
Uninstaller: C:\Program Files2\EUSING~2\UNWISE.EXE C:\Program Files2\EUSING~2\INSTALL.LOG
(Wise Installer is used for installing and uninstalling this software.)
Estimated size: 1.47 MB

Program filesFiles installed by Eusing Free Registry Defrag

Program executable:RegDefrag.exe
Path:C:\Program Files\Eusing Free Registry Defrag\RegDefrag.exe
Additional files:
  • EFRDSetup.exe - Eusing Free Registry Defrag
  • RegDefrag.exe
  • efrd21_20120525mojibake.EXE (by AjariSoft) - DWiff (Update for Windows95)
  • efrd22_20130216mojibake.EXE (by AjariSoft)

Program behaviorsBehaviors exhibited

Scheduled Task
  • UNWISE.EXE is scheduled as a task with the class '{F71A9918-1861-4EFE-AE94-530BDDE46DD4}' (runs on registration).
  • UNWISE.EXE runs as a service named 'Browser System Enahncer' (671c50b0).
Windows Firewall Allowed Program
  • UNWISE.EXE is added as a firewall exception for 'C:\Program Files1\Yahoo!\MESSEN~1\UNWISE.EXE'.

How do I remove Eusing Free Registry Defrag?

You can uninstall Eusing Free Registry Defrag from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Eusing Free Registry Defrag, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Eusing Free Registry Defrag.

Win 7 (SP1) 51%
Win Vista 0%
Windows Service? Yes
(Installs a service)
Uninstall it 56%
Keep it 44%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 53.51%
Windows 10 20.26%
Windows XP 15.97%
Windows Vista 10.26%
Which OS releases does it run on?
Windows 7 Home Premium 32.89%
Microsoft Windows XP 15.46%
Windows 7 Ultimate 10.30%
Windows 7 Professional 8.19%
Windows Vista Home Premiu... 7.53%
Windows 10 Home 5.68%

Distribution by countryGeography

52.43% of installs come from the United States
Which countries install it?
  United States 52.43%
  Germany 5.91%
  United Kingdom 5.27%
  Italy 5.06%
  Australia 4.96%
  Netherlands 4.32%
  Canada 3.06%
  Poland 2.53%
  Finland 2.43%
  France 1.69%
  Belgium 1.37%
  Japan 1.16%
  Sweden 0.63%
  Hungary 0.63%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 27.02%
Dell 24.84%
Acer 15.03%
Toshiba 8.71%
ASUS 6.32%
Intel 3.92%
Lenovo 3.70%
American Megatrends 3.05%
Samsung 1.09%
Sahara 1.09%
Medion 0.87%
Common models
HP Pavilion dv7 Notebook ... 3.72%
Dell XPS 8500 3.72%
HP Pavilion dv6 Notebook ... 3.26%
HP Pavilion g7 Notebook P... 3.26%
Dell Inspiron 530 2.33%
HP Pavilion g4 Notebook P... 1.86%


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