Like cmpunkowns said: Just download the updated Nooby-Install-Package from freemcboot.info and re-install FMCB to a new MC.
Btw.: Dude even if you're new,... Try to find some more info on your own.
How to start applications is basic/common knowledge per device, which it is up to you (the user) to gather the information on how to execute them (this apps).
PS2 V7/DMS3 V2 (FW:2.4b7); Seagate Baracuda 200GB
PS2 V7/CC1.0 (FW:34 hacked v2 BM:2.1.6); Maxtor DiamondMAX9 PLUS 160GB
PS2 SCPH-30004R; NoMod+NoLaser
3xSony MC 8MB
MAX/Datel 16MB with Boot-CD
Custom FMCB 1.8b+ Beta-Build, my AIO 0.5, Sony&xRhino-Linux