>Something has happened to my version of VFP 7. When I open the form designer, and try to change the forms control toolbar to a class other than "Standard", VFP chokes with an error that says "The memory address can't be read." These classes will all open just fine in VFP 6. I've tried:
>
>Creating a new class in a new VCX
>Running the Repair/Reinstall option
>Compiling the class library
>Completely uninstalling VFP 7 and reinstalling
>Running VFPClean.app
>With and without the three patches
>
>None of the above attempts have fixed this problem! Has anyone else run into this? Is there anything else I can try, short of reformatting my hard drive and starting over?

Yikes! Have you installed any new programs on your computer recently? Also check for driver conflicts, especially printer drivers from HP. They are notorious for causing strange and inxeplicable problems.