What version of VFP are you using? Versions 5.0 and greater use DLLs for the runtime. Check the System32 directory for VFP6R.DLL, which is the runtime. If it is there, run regedit.exe, hit F3, and search on VFP6R.DLL to see where the registry thinks the runtime is supposed to be.

>What would cause the message "Cannot locate Visual FoxPro Runtime?"
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>I have a dual boot; in Windows98 it works fine. When I boot in Windows2000 I can run VFP, but can't run a VFP-generated EXE. I even reinstalled VFP in W2000.
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>Some VFP documentation, as well as the knowledge base, talks about VFP3 files with the .ESL extension, but I can't find any. That is old VFP3 stuff.