Menu Gone

[kidfresh]

I was maybe going to change the icon for the menu so I opened properties (or whatever it was) and clicked on the leaf icon which (i think) would just open the folder it was in but it stalled and then crashed.  I tried it again and it crashed and something else came up saying the menu would close or something.

Then it was gone, both the icon and the title
I restarted and it is still gone

I did nothing but click on the icon in properties

How do I get it back?

Thanks