windows 10 file explorer opens on startup

This can be the case with File Explorer as well.

Sometimes the issue isn’t as deep as we think it is and the problem can be solved simply by restarting the problematic application. And the constant popping up of your File Explorer might be because your external drive has a loose connection and it disconnects/connects which forces your system to open File Explorer every time your drive re-connects. So, it might be that your AutoPlay is turned on and it is by default selected to open File Explorer to show the contents of your external drive. AutoPlay lets you select a default action for a specific type of media. AutoPlay: If you are experiencing the issue after connecting an external drive then the issue might be caused by the AutoPlay feature.Simply ending the task via Task Manager and restarting File Explorer fixes this issue. It’s just a random thing that causes this and there isn’t anything that you can do about it except restart the application. File Explorer Misbehave: Sometimes software misbehaves on their own.

Windows 10 file explorer opens on startup