Hi AllaGakuba, I am Paulo. I'm an Independent Advisor and an individual like you inclined to help.
Double-click your Edge browser then verify if it is running in the background. Once double-clicked, right-click on your taskbar then choose Task Manager. Check if Microsoft Edge is on the list under the Processes tab. If it is, right-click on it then choose End task. Relaunch and see if it opens.
Let me know how it goes