84,488,480 programs installed

Should I remove Aurora a2 x86 en-US?

What percent of users and experts removed it?
8% remove it92% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #40,312
United States Rank #29,091
Reach 0.0024%


25.0a2 100.00%

Typically installed together

Other programs by Mozilla

Aurora 25.0a2 x86 en-US

What is Aurora a2 x86 en-US?

Aurora is the beta version of Mozilla Firefox.

About  (from Mozilla)

Try out the latest performance, customization and security enhancements almost ready for prime time. Give us feedback to help us put the final tweaks on performance and functionality in a stable environment. Have an impact on the next version of Firefox and the 450 million people who use it every day.


Aurora 25.0a2 x86 en-US is a software program developed by Mozilla. 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 primary executable is named firefox.exe. The setup package generally installs about 26 files and is usually about 49.27 MB (51,661,824 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. Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 75% of users of Aurora a2 x86 en-US come from the United States, it is also popular in Germany and Indonesia.

Program detailsProgram details

URL: www.mozilla.org
Installation folder: C:\Program Files\Aurora
Uninstaller: "C:\Program Files\Aurora\uninstall\helper.exe"
Estimated size: 49.27 MB

Program filesFiles installed by Aurora 25.0a2 x86 en-US

Program executable:firefox.exe
Path:C:\Program Files\aurora\firefox.exe
Additional files:
  • webapp-uninstaller.exe - Mozilla Webapp Runtime App Uninstaller
  • freebl3.dll - Network Security Services (NSS freebl Library)
  • nssckbi.dll - NSS Builtin Trusted Root CAs
  • nssdbm3.dll - Legacy Database Driver
  • softokn3.dll - NSS PKCS #11 Library
  • AccessibleMarshal.dll - Aurora
  • breakpadinjector.dll
  • crashreporter.exe
  • gkmedias.dll
  • libEGL.dll
  • libGLESv2.dll
  • maintenanceservice.exe
  • maintenanceservice_installer.exe - Mozilla Maintenance Service Installer
  • mozalloc.dll
  • mozglue.dll
  • nss3.dll
  • plugin-container.exe - Plugin Container for Aurora
  • plugin-hang-ui.exe - Plugin Hang UI for Aurora
  • updater.exe - Aurora Software Updater
  • webapprt-stub.exe
  • xul.dll
  • mozjs.dll

Program behaviorsBehaviors exhibited

Scheduled Task
  • firefox.exe is scheduled as a task with the class '{52D0BAD7-4905-46D6-B0CA-D73B29BB6270}' (runs on registration).
  • maintenanceservice.exe runs as a service named 'Mozilla Maintenance Service' (MozillaMaintenance) "The Mozilla Maintenance Service ensures that you have the latest and most secure version of Mozilla Firefox on your computer. Keeping Firefox up to date is very important for your online security, and Mozilla strongly recommends that you keep this service enabled.".

How do I remove Aurora a2 x86 en-US?

You can uninstall Aurora a2 x86 en-US 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 Aurora 25.0a2 (x86 en-US), 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 Aurora a2 x86 en-US.

Win 7 (SP1) 56%
Win XP 2%
Windows Service? Yes
(Installs a service)
Uninstall it 8%
Keep it 92%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 62.50%
Windows 10 27.08%
Windows XP 6.25%
Windows Vista 2.08%
Windows Server 2003 2.08%
Which OS releases does it run on?
Windows 7 Ultimate 27.08%
Windows 7 Home Premium 25.00%
Windows 7 Professional 10.42%
Windows 8 8.33%
Windows 8 Pro 8.33%
Microsoft Windows XP 6.25%

Distribution by countryGeography

74.60% of installs come from the United States
Which countries install it?
  United States 74.60%
  Germany 4.76%
  Indonesia 3.17%
  Brazil 1.59%
  Thailand 1.59%
  Taiwan 1.59%
  France 1.59%
  Costa Rica 1.59%
  India 1.59%
  Portugal 1.59%
  Japan 1.59%
  ME 1.59%
  Romania 1.59%
  Netherlands 1.59%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 29.73%
Dell 21.62%
Hewlett-Packard 21.62%
Samsung 5.41%
Lenovo 5.41%
NEC 2.70%
Compaq 2.70%
Alienware 2.70%
ASUS 2.70%
Common models
TOSHIBA Satellite C855D 2.56%
TOSHIBA Satellite C655D 2.56%
Samsung R530/R730 2.56%
Samsung 530U3C/530U4C/532... 2.56%
P4M80P snc302eeh 2.56%
NEC PC-VL300TG 2.56%

About Mozilla

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


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