Multiple Firefox in Windows Taskbar

multiple-firefox-in-windows-taskbar.markdown

• 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.