What gave you the Idea to do that.. you dont have your hard drive locked?.. so no boot to ms dash for you.. You say you tried to make a blablabla disk.. Did you get slayers evox Iso and try that first on a DVD+r? give that a shot
Edit: are you soft modded, tsoped, or chipped? Also do you only getr error code 13? Or do you get an error 5 also? if it is just the 13 and you are soft modded, can you cold boot a game? If so you could jsut redo your mod to get ftp access then resend your evoxwhatever.xbe and you should be good.