I'm currently working on a Delphi program that, as its last step, calls up a php page to generate a report. On my test box, the default browser is Firefox, so the report opens in Firefox. On another box I've tested it on, the default browser is IE, so the report opens in IE. The main problem is that, on one of the production boxes, nothing seems to be opening up, period, when the reports are generated. How do I check to determine what the default browser is, or even if there's a default browser set?