- Open Run (Winkey-R or right-click Start menu), insert
"%PROGRAMFILES%\Mozilla Firefox\firefox.exe" -p
, press OK, to start Firefox profile manager. - You may be able to run simply
firefox -p
. Guide is written to be robust for system differences. - Press "Create Profile...".
- Press "Next".
- Insert a profile name. It can contain spaces. Example: "Web App 1"
- Now don't rush. It is easy to inadvertently change the default profile.
- Press "Finish".
- Press "Exit". If you instead pressed "Start Firefox" without unchecking "Use the selected profile without asking at startup": open Firefox profile manager again (read step 1), select your desired profile (probably "default"), enable the option "Use the selected profile [...]", press "Start Firefox", continue with the step after this.
- Open Run, insert:
"%PROGRAMFILES%\Mozilla Firefox\firefox.exe" --no-remote -P "Web App 1"
- Select the location field (Ctrl-L).
- Replace text with:
about:config
- Press Enter.
- Press "Accept the Risk and Continue". Just follow only these steps and you'll be fine.
- Insert
taskbar.grouping.useprofile
in the search field on the page. Not the location field. - Choose "Boolean".
- Press the plus (+) to create entry.
- Replace text in same search field with:
browser.startup.blankwindow
- Change its value to "false" (double-click or press the toggle button).
- Open Run, insert:
"%PROGRAMFILES%\Mozilla Firefox\firefox.exe" --no-remote -P "Web App 1"
- Another Firefox icon should appear in taskbar. If it does not, this guide either needs updating or a mistake was made.
- Right-click the new Firefox icon in the taskbar.
- Press "Pin to taskbar".
- Right-click the same new Firefox icon in the taskbar.
- Right-click the first "Firefox [...]" from the bottom. Example: "Firefox (2)"
- Press "Properties"
- Append (add to end of) field "Target" with (include initial space):
--no-remote -P "Web App 1"
- or Replace field "Target" with:
"%PROGRAMFILES%\Mozilla Firefox\firefox.exe" --no-remote -P "Web App 1"
- Press tab "General".
- Change name that will appear for the taskbar item by editing the text field at the top. New name will display after next time Explorer is started.
- You can change icon with the "Change Icon..." button in same properties panel under tab "Shortcut". New icon will display after next time Explorer is started.
- Press OK to apply changes to the taskbar item.
- Easiest way to restart Explorer is to restart computer, but you can restart Explorer with Task Manager.
- Try opening the taskbar item.
Last active
July 14, 2025 18:32
Multiple Firefox in Windows Taskbar
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