: Quickly test snippets of XBase code or SQL queries.
A truly portable application must manage its own resource files.By default, VFP looks for vfp9.cfg or writes to the Windows registry.You can control this behavior using specific command-line switches. Visual FoxPro 9.0 SP2 Portable
Creating your own portable VFP 9.0 SP2 version is the safest and most reliable method. Here is a step-by-step process based on community knowledge: : Quickly test snippets of XBase code or SQL queries
Using an unofficial portable version introduces several vulnerabilities: Visual FoxPro 9.0 SP2 Portable