84,488,480 programs installed

Should I remove Perfect Uninstaller?

What percent of users and experts removed it?
4% remove it96% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #5,858
United States Rank #7,378
Reach 0.0801%
Lifespan of installation (until removal)
< 3.38 days
99.78 days >
Average installed length: 52.43 days

Perfect Uninstaller v6.3.3.9


Perfect Uninstaller v6.3.3.9 is a program developed by Qiwang Computer. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. 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 installer includes 16 files and is usually about 7.9 MB (8,286,120 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 34% of users of Perfect Uninstaller come from the United States, it is also popular in India and United Kingdom.

Program detailsProgram details

URL: www.PerfectUninstaller.com
Installation folder: C:\Program Files\Perfect Uninstaller\
Uninstaller: "C:\Program Files\Perfect Uninstaller\unins000.exe"
Estimated size: 7.9 MB

Program filesFiles installed by Perfect Uninstaller v6.3.3.9

  • Perfect Uninstaller (by www.PerfectUninstaller.com) - Perfect Uninstaller (Perfect Uninstaller Setup)
  • PerfectUninstaller_Setup.exe (by www.PerfectUninstaller.com)
  • PU.exe

Program behaviorsBehaviors exhibited

Scheduled Task
  • PU.exe is scheduled as a task with the class '{8F2239C0-A46A-4DAE-A14F-43F7CCFDB0E7}' (runs on registration).
Startup File (All Users Run)
  • PU.exe is loaded in the all users (HKLM) registry as a startup file name 'PURegBackup' which loads as C:\Program Files\Perfect Uninstaller\PU.exe -AUTORUN.

How do I remove Perfect Uninstaller?

You can uninstall Perfect Uninstaller 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 Perfect Uninstaller v6.3.3.9, 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 Perfect Uninstaller.

Win 7 (SP1) 54%
Win 7 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 4%
Keep it 96%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 62.56%
Windows 10 24.10%
Windows XP 9.11%
Windows Vista 4.11%
Windows Server 2003 0.13%
Which OS releases does it run on?
Windows 7 Home Premium 24.01%
Windows 7 Ultimate 22.48%
Windows 7 Professional 12.36%
Microsoft Windows XP 8.98%
Windows 8.1 5.41%
Windows 8.1 Pro 4.33%

Distribution by countryGeography

34.26% of installs come from the United States
Which countries install it?
  United States 34.26%
  India 4.92%
  United Kingdom 4.51%
  Canada 3.76%
  Brazil 2.89%
  Italy 2.55%
  Egypt 2.49%
  Australia 2.37%
  France 2.31%
  Germany 2.08%
  DZ 1.91%
  Spain 1.91%
  MA 1.79%
  Indonesia 1.68%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 26.50%
Dell 20.70%
Acer 17.21%
ASUS 8.66%
Toshiba 6.97%
Samsung 4.44%
Lenovo 3.27%
Intel 3.17%
Sahara 1.06%
American Megatrends 0.95%
Common models
HP Pavilion dv6 Notebook ... 6.06%
HP Pavilion dv7 Notebook ... 4.41%
HP Pavilion g6 Notebook P... 4.41%
HP 2000 Notebook PC 2.48%
ASUS All Series 2.20%
Dell Inspiron N5110 2.20%


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