My Minecraft Launcher can still be opened… But it takes time. After all, there's a problem when I start an X version, it only takes 5-7 minutes until the window opens. Minecraft's loading display stops but stays in the last quarter and the program hangs and does not give any feedback! If I completely close Minecraft then a window comes along: java no longer gives feedback and so… I'm a little desperate because I'm Minecraft YouTuber and Minecraft is no longer possible D:
Have Windows 7 Profesinal Pro
Maybe it works like this:
Press the Windows key and R and enter this text in the window:
% Appdata% /. Minecraft / versions
And delete all folders there. These are the files from the different versions of Minecraft. After that, you will have to download it again, and your profiles in the launcher will remain.
Okay thanks
Try to start the launcher as admin
If it still doesn't work, you could uninstall the launcher, then download it again and log in again with your account.