Debugging Mozilla on Windows FAQ | MDNLaunch MSDEV, select File > Open Workspace... (Open Solution... in VC++ 7.0 and later) and select a Mozilla executable. This will also create a Mozilla project. You can start a debug run by pressing F5. You can configure Firefox's run options (working directory, arguments, etc.) by right-clicking the "firefox.exe" Solution in the Solution Explorer and opening the Properties dialog. From the comman
