Can't open minecraft launcher after i close it

Hello, ive been having this issue with the new launcher that when i close it i cannot open it again i have to open up task manager and close taks that are open after the launcher is closed such as MinecraftLauncher or Javaw.exe and when i manage to open it and press play it crashes

Edit: the problem i mainly had was when i pressed play id get a "minecraft has stopped working" and it wouldnt even open, sometimes i would open it by closing some duplicate tasks and some other times it wouldnt open at all