VFP 6 exe

runs fine on development machine:
VFP 6
W2K
1GHz Athlon
256 MB RAM
43 GB HD, with 24 GB free

Not Enough Memory to Complete this Operation error on user machine:
VFP 6 Runtime
Windows 98 Second Edition
Intel Celeron Processor (user didn't give speed)
96 MB RAM
16 GB HD, with 11 GB free

Any sugestions?

TIA