I find it stupid either i just can't do it or it is a bug when u open the about menu in this software it takes the whole screen u can't go back to main sceen.In my case i have to wait for download to complete then restart the software for that

[Emm]

Try ALT+F4... it's true that the windows is a bit bigger as usual about widows and unresizable, but it's closable.

[pspzockerscene]

That shouldn't happen!
If it happens again give us a log or visit the support chat;)