84,488,480 programs installed

Should I remove Startup Defender Unbinstaller?

What percent of users and experts removed it?
7% remove it93% 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 #48,758
Reach 0.0015%


3.91 13.33%
3.9 66.67%
3.4 13.33%
3.3 6.67%

Startup Defender Unbinstaller

Remove Startup Defender Unbinstaller
Powered by Reason Antivirus

What is Startup Defender Unbinstaller?  (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 Unbinstaller is a software program developed by ZardsSoftware. The most common release is 3.9, with over 98% of all installations currently using this version. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. The primary executable is named startupdefender.exe. The setup package generally installs about 4 files and is usually about 2.27 MB (2,380,746 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows Vista (SP2). While about 54% of users of Startup Defender Unbinstaller come from the United States, it is also popular in Germany and France.

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: 2.27 MB

Program filesFiles installed by Startup Defender Unbinstaller

Program executable:startupdefender.exe
Name:Startup Defender
Path:C:\Program Files\startup defender\startupdefender.exe
  • unins000.exe - Setup/Uninstall

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 Unbinstaller?

Quickly and completely remove Startup Defender Unbinstaller from your computer by downloading Reason's ‘Should I Remove It?’ (click the button below).
Or, you can uninstall Startup Defender Unbinstaller 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 Unbinstaller, 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 Unbinstaller.

Win 7 (SP1) 57%
Win 7 3%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 7%
Keep it 93%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 60.00%
Windows Vista 20.00%
Windows XP 13.33%
Windows 10 6.67%
Which OS releases does it run on?
Windows 7 Ultimate 23.33%
Windows 7 Home Premium 23.33%
Windows Vista Home Premiu... 20.00%
Microsoft Windows XP 13.33%
Windows 7 Professional 6.67%
Windows Vista Ultimate 3.33%

Distribution by countryGeography

54.35% of installs come from the United States
Which countries install it?
  United States 54.35%
  Germany 13.04%
  France 6.52%
  Israel 4.35%
  Czech Republic 4.35%
  Thailand 2.17%
  Uruguay 2.17%
  Mexico 2.17%
  IQ 2.17%
  Iran 2.17%
  Netherlands 2.17%
  Italy 2.17%
  Hungary 2.17%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 24.00%
Acer 24.00%
Dell 16.00%
ASUS 12.00%
Gateway 4.00%
Samsung 4.00%
Sony 4.00%
American Megatrends 4.00%
Common models
Dell Inspiron 1545 9.52%
Dell Dell XPS710 4.76%
ASUSTeK F3Sc 4.76%
Acer Aspire V3-571 4.76%
Acer Aspire 8950G 4.76%
Sony VGN-NW350F 4.76%


user comment
No one has commented yet. Help others learn more about this software, share your comments.