>I recently install VFP6.0 SP3 on a new laptop, and now whenever I try to troubleshoot by including 'Set Step On" in any code, I get a 'Source Not Available" message in the debugger window.
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>Has anyone seen this before, and how do I get access to the source code in the debugging window?
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>Thanks in advance......

YOu probably need to recompile all when you build the app in your project manager. Also in the Project Info, make sure the Debug Info box is checked.