84,488,480 programs installed

Should I remove F.lux?

What percent of users and experts removed it?
4% remove it96% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #306
United States Rank #312
Reach 1.9160%
Lifespan of installation (until removal)
< 9.47 days
279.36 days >
Average installed length: 146.78 days


What is F.lux?  (from justgetflux)

f.lux fixes this: it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day. It's even possible that you're staying up too late because of your computer. You could use f.lux because it makes you sleep better, or you could just use it just because it makes yo...  Read more


F.lux is a program developed by justgetflux. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. 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 software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The programs's main executable is flux.exe and has been seen to consume an average CPU of less than one percent, and utilizes about 6.11 MB of memory. It also adds an icon to the Windows notifications area in order to provide access to the program. The software installer includes 8 files and is usually about 1.56 MB (1,634,421 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 52% of users of F.lux come from the United States, it is also popular in United Kingdom and Canada.

Program detailsProgram details

URL: stereopsis.com/flux
Installation folder: C:\users\ameer\local settings\apps\f.lux
Uninstaller: "C:\Users\Ameer\Local Settings\Apps\F.lux\uninstall.exe"
Estimated size: 1.56 MB

Program filesFiles installed by F.lux

Program executable:flux.exe
Path:C:\users\ameer\local settings\apps\f.lux\flux.exe
Taskbar:Displays an icon in the notification area
Additional files:
  • uninstall.exe
  • setup.exe
  • DimScreen.exe (by www.1HourSoftware.com) - DimScreen (Dims the whole screen)
  • jetclean-setup.exe (by BlueSprig) - JetClean (JetClean Setup)
  • lpk.dll
  • ReFlux.exe
  • setup12VoIP.exe (by Finarea Switzerland) - 12Voip (12Voip Setup)

Program behaviorsBehaviors exhibited

2 Scheduled Tasks
  • flux.exe is scheduled as a task with the class '{37A5ACC0-A64C-4882-9E86-A4C7F6381E66}' (runs on registration).
  • uninstall.exe is scheduled as a task with the class '{C15F2D0C-DE16-4E0A-9CCF-DB091893EC66}' (runs on registration).
Scheduled Task (Boot/Login)
  • flux.exe is automatically launched at startup through a scheduled task named 3.
Startup File (User Run)
  • flux.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Flux' and executes as "C:\users\user\appdata\Local\FluxSoftware\Flux\flux.exe".
Startup File (All Users Run)
  • flux.exe is loaded in the all users (HKLM) registry as a startup file name 'f' which loads as "C:\Documents and Settings\user\Application Data\FluxSoftware\Flux\flux.exe" /noshow.
Windows Firewall Allowed Program
  • flux.exe is added as a firewall exception for 'C:\users\user\appdata\Local\FluxSoftware\Flux\flux.exe'.
Network connections
  • flux.exe connects to s3-1-w.amazonaws.com ( port 80).
  • flux.exe connects to s3-1-w.amazonaws.com ( port 80).
  • flux.exe connects to s3-1-w.amazonaws.com ( port 80).
  • flux.exe connects to stereopsis.com ( port 80).

Program resource utilizationResource utilization averages

Memory:6.11 MB
21.09 MB average
Total CPU:0.0521866205%
0.031193% average
Kernel CPU:0.04143554%
0.016088% average
User CPU:0.01075108%
0.015104% average
CPU cycles/sec:228,242
8,062,084 average
70 average
I/O reads/min:597 Bytes
435.61 KB average

How do I remove F.lux?

You can uninstall F.lux 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 F.lux, 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 F.lux.

Win 7 (SP1) 46%
Win 8.1 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 4%
Keep it 96%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 50.20%
Windows 10 45.25%
Windows XP 2.43%
Windows Vista 2.11%
Windows Server 2003 0.01%
Which OS releases does it run on?
Windows 7 Home Premium 23.79%
Windows 7 Ultimate 14.57%
Windows 10 Home 12.35%
Windows 8.1 10.82%
Windows 7 Professional 9.54%
Windows 10 Pro 6.31%

Distribution by countryGeography

52.16% of installs come from the United States
Which countries install it?
  United States 52.16%
  United Kingdom 5.70%
  Canada 4.10%
  France 2.99%
  MA 2.52%
  Germany 2.36%
  Australia 2.06%
  Netherlands 2.05%
  Italy 1.23%
  Sweden 1.17%
  DZ 1.16%
  India 1.08%
  Poland 0.99%
  Norway 0.99%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 23.56%
Dell 19.04%
Acer 14.62%
ASUS 14.55%
Lenovo 8.66%
Toshiba 6.22%
Samsung 3.52%
MSI 1.39%
Alienware 1.17%
Intel 0.84%
Common models
ASUS All Series 8.86%
HP Pavilion dv6 Notebook ... 6.17%
HP Pavilion g6 Notebook P... 5.28%
HP Pavilion dv7 Notebook ... 3.32%
Dell Inspiron N5110 2.30%
HP Pavilion 15 Notebook P... 2.21%

comments2 comments

user comment
user comment
Adorover a year ago
This is a must have for everyone, who spends a lot of time in front of the screen!
user comment
Sparksover a year ago
This is a great program. It's made a world of difference on my eyes, especially at night.