The issue arises when the user pins the Edge to his taskbar and uses the pinned icon to launch Edge but Edge launches as another window (not stacked up on the pinned icon). Every new instance of Edge will stack up on the new window, not on the pinned icon. The behavior is usually noted after an update of the Edge browser. Before moving on with the solutions to stop Edge from opening new Windows, make sure that the setting of Combine Taskbar Buttons in the system’s Settings is set to ‘Always, Hide Labels’.
Solution 1: Update the Edge Browser to the Latest Build
The Edge browser may show the current behavior if it is outdated as it can create incompatibility between the browser and OS modules. In this context, updating the Edge browser to the latest build may solve the problem.
Solution 2: Re-pin the Edge Browser
The temporary glitch of your OS modules might be causing Edge to show more than one icon on the taskbar. In this context, unpinning and then re-pining Edge may solve the problem.
Solution 3: Disable Internet Explorer 11
The Edge browser may show the dual icons on the taskbar if the Internet Explorer 11 is enabled in the system’s Settings as it may hinder the operation of the Edge browser. In this case, disabling Internet Explorer 11 may solve the problem.
Solution 4: Remove Other Installations/Profiles of the Edge Browser
Your Edge browser may show more than one icon on the taskbar if there are different versions of Edge installed or the Edge browser is configured to use multiple user profiles. In this scenario, removing other versions/profiles from your system may solve the problem.
Remove Other Installations of Edge
Remove Other Profiles from the Edge Browser
Solution 5: Reset the Edge Browser to the Factory Defaults
The dual icons on the taskbar may be caused by the corrupt installation of the Edge browser. In this scenario, resetting the Edge browser to the factory defaults may solve the problem. Before moving on, make sure to backup essential data (favorites, passwords, etc.). If the issue persists, then you may try to perform a repair install of Windows.
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