Hi napajan, what did you drag and drop? Can you switch it back to the way it was before? If Firefox is still broken, we will need to address that first. ---- There are a number of different ways to make a desktop shortcut on Windows 10. For example, you can copy the Start menu shortcut and paste it on the desktop Open the following folder by pasting the path in the Windows 10 search box: C:\ProgramData\Microsoft\Windows\Start Menu\Programs That should open the File Explorer and show all your program shortcuts from the Start menu. Scroll down to Firefox, right-click it, then click Copy Then click Desktop in the left column to show the contents of your desktop Right-click a blank area of the list on the right side, then click Paste to drop a copy of the Firefox shortcut there