>I redid my main file and got file access denied. I opened the debugger and in >it opened the executable. In the selectbox (select prog from app) I selected >my MAIN.prg, and the only thing it said in the Trace window was Source is out >of date.

Insure you have selected 'compile on save' option.

>OK, I've migrated to the compile stage, where I can build an executable fine. >I can run my MAIN.prg without a glitch through the debugger, but when I click >on the executable, it gives the error cannot open file. any ideas?

Check to insure all of the runtime dll files are in the path.