84,488,480 programs installed

Should I remove Mozilla Sunbird?

What percent of users and experts removed it?
10% remove it90% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #17,015
United States Rank #15,870
Reach 0.0148%
Lifespan of installation (until removal)
< 19.63 days
579.02 days >
Average installed length: 304.23 days


0.9 (sv-SE) 0.69%
0.9 (sk) 0.69%
0.9 (pt-BR) 0.34%
0.9 (pl) 1.03%
0.9 (nl) 1.72%
0.9 (ja) 0.34%
0.9 (it) 4.12%
0.9 (hu) 0.34%
0.9 (fr) 19.93%
0.9 (es-ES) 1.37%
0.9 (es-AR) 0.69%
0.9 (en-US) 48.45%
0.9 (de) 17.87%
0.9 (da) 1.03%
0.9 (cs) 1.37%

Other programs by Mozilla

Mozilla Sunbird 0.9

What is Mozilla Sunbird?

Mozilla Sunbird is a free and open source, cross-platform calendar application that was developed by the Mozilla Foundation, Sun Microsystems and many volunteers.

About  (from Mozilla)

Mozilla SunbirdĀ® is a cross-platform calendar application, built upon Mozilla Toolkit. Our goal is to provide you with a full-featured and easy to use calendar application that you can use around the world.


The most common release is 0.9 (en-us), with over 98% of all installations currently using this version. It adds registry entry for the current user which will allow the program to automatically start each time it is rebooted. The primary executable is named sunbird.exe. The setup package generally installs about 23 files and is usually about 17.48 MB (18,327,218 bytes). The installed file updater.exe is the auto-update component of the program which is designed to check for software updates and notify and apply them when new versions are discovered.

Program detailsProgram details

URL: www.mozilla.org/projects/calendar/sunbird
Installation folder: C:\Program Files\Mozilla Sunbird
Uninstaller: C:\Program Files\Mozilla Sunbird\uninstall\uninst.exe
Estimated size: 17.48 MB

Program filesFiles installed by Mozilla Sunbird 0.9

Program executable:sunbird.exe
Path:C:\Program Files\mozilla sunbird\sunbird.exe
Additional files:
  • freebl3.dll - Network Security Services (NSS freebl Library)
  • nspr4.dll (by Netscape Communications) - Netscape Portable Runtime (NSPR Library)
  • nss3.dll - NSS Base Library
  • nssckbi.dll - NSS Builtin Trusted Root CAs
  • plc4.dll (by Netscape Communications) - PLC Library
  • plds4.dll - PLDS Library
  • smime3.dll - NSS S/MIME Library
  • softokn3.dll - NSS PKCS #11 Library
  • ssl3.dll - NSS SSL Library
  • js3250.dll - NETSCAPE (Netscape 32-bit JavaScript Module)
  • AccessibleMarshal.dll - Sunbird
  • updater.exe - Software Updater
  • xpcom.dll
  • xpcom_compat.dll
  • xpcom_core.dll
  • xpicleanup.exe
  • xpistub.dll

Program behaviorsBehaviors exhibited

Startup File (User Run)
  • sunbird.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Sunbird' and executes as C:\Program Files\Mozilla Sunbird\sunbird.exe.

How do I remove Mozilla Sunbird?

You can uninstall Mozilla Sunbird 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 Mozilla Sunbird (0.9), 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 Mozilla Sunbird.

Win 7 (SP1) 49%
Win Vista (SP1) 1%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 10%
Keep it 90%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 50.86%
Windows XP 17.87%
Windows 10 16.15%
Windows Vista 15.12%
Which OS releases does it run on?
Windows 7 Home Premium 33.80%
Microsoft Windows XP 17.42%
Windows Vista Home Premiu... 12.89%
Windows 7 Professional 10.80%
Windows 8.1 7.32%
Windows 7 Ultimate 4.53%

Distribution by countryGeography

45.71% of installs come from the United States
Which countries install it?
  United States 45.71%
  France 13.43%
  Germany 13.43%
  Italy 4.29%
  United Kingdom 4.00%
  Canada 3.14%
  Australia 2.00%
  Belgium 1.43%
  Switzerland 1.14%
  Sweden 1.14%
  Czech Republic 0.86%
  Spain 0.86%
  Japan 0.86%
  Poland 0.86%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 22.09%
Acer 22.09%
Hewlett-Packard 19.63%
ASUS 6.75%
Toshiba 6.13%
Intel 4.91%
Samsung 3.68%
American Megatrends 2.45%
Medion 1.84%
Lenovo 1.23%
NEC 1.23%
Common models
HP Pavilion dv7 Notebook ... 5.13%
ASUS All Series 3.42%
Hewlett-Packard Compaq Pr... 2.56%
Dell Dell DV051 1.71%
Dell Vostro 1520 1.71%
Gateway NV54 Series ... 1.71%

About Mozilla

Mozilla is a free software community best known for producing the Firefox web browser.
Publisher URL: www.mozilla.org


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