You can't address 4GB of RAM on a 32 bit system. The maximum you can use is 3 GB.

There is something else going on. VFP will grab all the RAM is can.

How much RAM does Windows report?

>Hello All,
>
>I just upgraded the RAM in my desktop to 4GB from 2GB. It seems like since then my VFP hangs alot (VFP is not responding...).
>
>I'm running VFP9 SP2 on a Windows 7 Professional 32 Bit operating system.
>
>Is this just a coincidence, or is there an issue with the 4GB?
>
>Thanks,
>Larry