Most of the files on my desktop are custom files/plugins from GuildCraft! For safety the names are blurred Picture:
I poked around a bit and found the URL before you post this, and I got this problem with (Windows script host) when I install the skinpacks.. the RB.vbs file is "corrupted" or cant open "access denied" you know how to fix it? P.S: I use Win10
Just use the snipping tool built into Windows. Fun fact about me: I don't use a Mac so... can't help you sorry