I ran into this a year ago or longer, and there was "in fact" a switch that I added to the command: ADDRESS SYSTEM 'START "D:\TextPad 4\TextPad.exe" "C:\Documents and Settings\dt62659\My Documents\journal.txt"' right in between the executable and the txt file. But I have since then lost the code to hardware faults and can't recall what it was. I would like to find it again, although the removal of "-p" did do the trick.
For this, I have asked and since then have found the answer.
With REGEDT32 you look for:
and change it to the following everywhere.
"Regina\regina.exe" "%1" %*