I'm not being funny

I’m not being funny but when ever I try to scrap my image and start a new model {File, New, Erase all, Ok] I’m still left with my original model, Can any one help? How do I start New?

File menu / “Load Factory Settings”. Then File menu / “Save default settings”.

You acidentally saved you current project as the default settings (Ctrl-U does that also).

Thanx Once you know it’s simple