84,285,534 programs installed

Should I remove Startup Defender Uninstaller?

What percent of users and experts removed it?
57% remove it43% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #23,909
United States Rank #26,029
Reach 0.0078%
Lifespan of installation (until removal)
< 102.71 days
754.53 days >
Average installed length: 396.45 days


4.51 5.96%
4.5 94.04%

Startup Defender Uninstaller

What is Startup Defender Uninstaller?  (from ZardsSoftware)

Startup Defender is a small program that sits in your Windows tray and speeds up startign by constantly monitoring in real time the startup locations on your PC to help prevent programs from auto starting up behind your back. If a program tries to write itself into any startup location Startup Defender will pop up a wi...  Read more


Startup Defender Uninstaller is a program developed by ZardsSoftware. The most used version is 4.5, with over 98% of all installations currently using this version. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. The main program executable is startupdefender.exe. The software installer includes 5 files and is usually about 742.98 KB (760,808 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 35% of users of Startup Defender Uninstaller come from the United States, it is also popular in Germany and Austria.

Program detailsProgram details

URL: www.zardssoftware.com/startup/startup.html
Installation folder: C:\Program Files\startup defender
Uninstaller: "C:\Program Files\Startup defender\unins000.exe"
Estimated size: 742.98 KB

Program filesFiles installed by Startup Defender Uninstaller

Program executable:startupdefender.exe
Name:Startup Defender
Additional files:
  • Interop.Shell32.dll - Assembly imported from type library 'Shell32'.

Program behaviorsBehaviors exhibited

Startup File (All Users Run)
  • StartupDefender.exe is loaded in the all users (HKLM) registry as a startup file name 'Startup Defender' which loads as C:\Program Files\startup defender\startupdefender.exe -silent.

How do I remove Startup Defender Uninstaller?

Quickly and completely remove Startup Defender Uninstaller from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall Startup Defender 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Startup Defender Uninstaller, click it, and then do one of the following:
    • Windows Vista/7/8: 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 Startup Defender Uninstaller.

Win 7 (SP1) 56%
Win XP 1%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 57%
Keep it 43%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 58.94%
Windows 10 18.54%
Windows XP 14.57%
Windows Vista 7.95%
Which OS releases does it run on?
Windows 7 Home Premium 41.06%
Microsoft Windows XP 14.57%
Windows 7 Ultimate 10.60%
Windows 7 Professional 6.62%
Windows 8.1 Pro with Medi... 5.96%
Windows Vista Home Premiu... 5.30%

Distribution by countryGeography

35.12% of installs come from the United States
Which countries install it?
  United States 35.12%
  Germany 22.02%
  Austria 5.95%
  Italy 5.36%
  France 4.17%
  Canada 3.57%
  Belgium 2.98%
  United Kingdom 2.98%
  Israel 1.79%
  Iran 1.79%
  Taiwan 1.19%
  Australia 1.19%
  Hungary 1.19%
  BO 0.60%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 30.23%
Dell 22.09%
Hewlett-Packard 12.79%
ASUS 9.30%
American Megatrends 5.81%
Medion 4.65%
Intel 3.49%
Samsung 2.33%
Common models
Dell Vostro 420 Series 3.92%
MEDIONPC MS-7616 1.96%
Acer Aspire 5742G 1.96%
Gateway DX4860 1.96%
MSI MS-7623 1.96%
MEDIONPC MS-7708 1.96%


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