84,488,480 programs installed

Should I remove Nightly a1 x86 en-US?

What percent of users and experts removed it?
5% remove it95% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #24,324
United States Rank #39,273
Reach 0.0074%


28.0a1 100.00%

Typically installed together

Other programs by Mozilla

Nightly 28.0a1 x86 en-US

What is Nightly a1 x86 en-US?  (from Mozilla)

This feature is turned off by default in general release versions of Firefox and Firefox Beta. In order to enable Aurora and Nightly testers to provide more efficient feedback, Usage Statistics are enabled by default on Aurora and Nightly. In either case, if this functionality is enabled, users can disable it in Firefo...  Read more


Nightly 28.0a1 x86 en-US is a program developed by Mozilla. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The main program executable is firefox.exe. The software installer includes 31 files and is usually about 65.8 MB (68,999,127 bytes). updater.exe is the automatic update component of the software designed to download and apply new updates should new versions be released. In comparison to the total number of users, most PCs are running the OS Windows 10 as well as Windows 7 (SP1). While about 28% of users of Nightly a1 x86 en-US come from France, it is also popular in the United States and India.

Program detailsProgram details

URL: www.mozilla.org
Installation folder: C:\Program Files\Nightly
Uninstaller: "C:\Program Files\Nightly\uninstall\helper.exe"
Estimated size: 65.8 MB

Program filesFiles installed by Nightly 28.0a1 x86 en-US

Program executable:firefox.exe
Path:C:\Program Files\nightly\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 - Nightly
  • breakpadinjector.dll
  • CommandExecuteHandler.exe
  • crashreporter.exe
  • dummyvccorlib.dll
  • 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 Nightly
  • plugin-hang-ui.exe - Plugin Hang UI for Nightly
  • updater.exe - Nightly Software Updater
  • webapprt-stub.exe
  • xul.dll
  • mozjs.dll

Program behaviorsBehaviors exhibited

  • 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 Nightly a1 x86 en-US?

You can uninstall Nightly a1 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 Nightly 28.0a1 (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 Nightly a1 x86 en-US.

Win 10 50%
Win XP 1%
Windows Service? Yes
(Installs a service)
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 50.00%
Windows 7 46.58%
Windows Vista 2.74%
Windows XP 0.68%
Which OS releases does it run on?
Windows 7 Ultimate 18.62%
Windows 7 Home Premium 17.93%
Windows 8.1 Pro 12.41%
Windows 8.1 10.34%
Windows 7 Professional 8.97%
Windows 8.1 Pro with Medi... 7.59%

Distribution by countryGeography

27.69% of installs come from France
Which countries install it?
  France 27.69%
  United States 19.23%
  India 6.15%
  Sweden 4.62%
  DZ 3.08%
  Norway 3.08%
  Belgium 2.31%
  Germany 2.31%
  Egypt 2.31%
  Spain 2.31%
  Brazil 1.54%
  Canada 1.54%
  Czech Republic 1.54%
  United Kingdom 1.54%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 24.74%
Acer 21.65%
Dell 18.56%
ASUS 18.56%
Lenovo 4.12%
American Megatrends 3.09%
Samsung 2.06%
Toshiba 2.06%
Common models
MSI MS-7752 2.86%
ASUS All Series 2.86%
ASUSTeK N53SV 1.90%
Dell Latitude E6520 1.90%
Acer Aspire 5750G 1.90%
Dell XPS 8300 1.90%

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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