Modern builds of Windows 10 and Windows 11 come with the Microsoft Edge browser preinstalled, which should replace the deprecated Internet Explorer (how to remove IE on Windows). Some users are annoyed that the Microsoft Edge browser opens automatically when they sign in to Windows. You can prevent Edge from automatically launching at Windows startup if you use another browser or want to save some processing power on your computer.

Let’s take a look at the main ways to disable the Edge browser from automatically launching when you sign in to Windows:

1. Disable the automatic startup of Microsoft Edge:

• Verify, whether the Edge shortcut is added to the Windows startup. Run the shell:startup command (or navigate to %AppData%\Microsoft\Windows\Start Menu\Programs\Startup). Remove the Microsoft Edge shortcut from the directory, if it exists;
• Open the Task Manager (taskmgr.exe), go to the Startup tab. Now find out Microsoft Edge in the list, right-click on it, and select Disable. This will disable the autostart of the application.

2. Disable Preloading for Microsoft Edge

It is possible to disable Microsoft Edge preload. Please note that a number of Edge background processes are launched during Windows startup and these processes will continue to run even after the browser is closed.

Please note that when launching Windows, there are launched various background Edge processes as well, which remain running even when the browser is closed. These processes help make the Edge browser launch faster on Windows. It is possible to disable Edge’s startup boost:

• From the browser settings: open Edge, click on the menu in the top right corner and select Settings, or go to edge://settings/system in the address bar. Navigate to the System and performance section and disable the Startup Boost option.
  
• With Group Policy: open the local GPO editor (gpedit.msc) and navigate to Computer Configuration -> Administrative Templates -> Windows Components -> Microsoft edge. Find out Allow Microsoft Edge to pre-launch at Windows startup, when the system is idle, and each time Microsoft Edge is closed policy in the list. Enable the policy and select Prevent pre-launching in its settings;
  
  This GPO option is only available in the latest builds of Windows 10 and 11. You must manually download and install the administrative policy templates (ADMX) for MS Edge on previous Windows builds.
• Using PowerShell: create new registry property StartupBoostEnabled=0:
  $regPath = "HKLM:\SOFTWARE\Policies\Microsoft\Edge"
New-Item -Path $regPath -Force | Out-Null
New-ItemProperty -Path $regPath -Name StartupBoostEnabled -Value 0 -PropertyType DWORD -Force | Out-Null

3. Check the Edge autostart settings in the registry. Open the Registry Editor (regedit.exe) and navigate to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\Commands\on-logon-autolaunch

Create s DWORD 32-bit parameter in the specified key with AutoRunOnLogon name and 0 value.

Then check that the AutoRunOnLogon = 1 parameter is present in the on-logon-startup-boost section. If such a parameter exists, change its value to 0 or delete it.

4. Disable MS Edge Scheduler tasks

There are several MS Edge tasks in Windows Task Scheduler that can automatically run the browser on certain triggers. You can disable these scheduler tasks:

1. Open the Task Scheduler console (taskschd.msc);
2. Navigate to Task Scheduler Library section and disable MicrosoftEdgeShadowStackRollbackTask, MicroosftEdgeUpdateTaskMachineCore, and MicroosftEdgeUpdateTaskMachineUA tasks;
   
   Or you can use PowerShell to disable Scheduler tasks:Disable-ScheduledTask -TaskName MicrosoftEdgeShadowStackRollbackTask
Disable-ScheduledTask -TaskName MicroosftEdgeUpdateTaskMachineCore
Disable-ScheduledTask -TaskName MicroosftEdgeUpdateTaskMachineUA

5. Disable apps auto reopening after a restart:

Windows 10/11 can automatically launch any applications that were running the last time before you shut down or restarted your computer. If the automatic restart option is enabled and you had the Microsoft Edge browser open before shutting down/restarting your computer, it will automatically start the next time you sign in to Windows. You can disable automatically restoring previously opened programs after Windows restarts.

1. Navigate to Settings -> Accounts -> Sign-in options (you can quickly access this section with the URI shortcut command: ms-settings:signinoptions);
2. Disable the Automatically save my restartable apps when I sign out and restart them when I sign in option in the Restart apps section.

If you use the Windows Spotlight app (which shows background images) on the lock screen, it may launch Edge on its own. In order to disable the Spotlight, navigate to Settings -> Personalization -> Background and select Picture or Slideshow as your lock screen background.