Firs i want to say sorry for my english. I'm young and live in Sweden...

Btw, here's the firs problem:
When i'm using setup and write:
Type SER: RAM:Setup
or
Type SER: to RAM:Setup
the amiga just hangs up after the file are uploaded. I can't move the mouse or something!
That's the firs problem...
I have tried whith:
Type SER: DF0:Setup
and
Type SER: to DF0:Setup
too but when i'm trying to run the Setup whith:
DF0:Setup
the amiga says:
File is not an object module
The second problem:
When i'm uploading something whith ADF Terminal to RAM: or DF0 the Amiga says:
File is not an object module
My cable:
I got a null modem cable. I have tried whith two types. First:
regular 9pin whith a 9 to 25 convert betwen the Amiga and the cable.
Second:
on one end there is one big 25pin thing, from that it goes to cables. On one of the cables it is a 9pin thing and that cable is short. The other cable is long and on the end of that cable there is another 25pin thing.
From that 25pin things it's two cables to.
Both that one that goes to the other 25pin things that i described obove, and the other one goes to a 9pin thing too.
Right now i have one 25pin in the amiga and the 9pin thing thats it's near the other 25pin thing in the computer.
Pleas, can someone help me to solve this problem?