>>My app. is written in fpd2.6 and has been running well all this while. Lately my client is getting error msg "Insufficient Memory". My client's Operating system is Windows NT Service Pack 4 and the exe is in the local c:<<
Jerrica,
If the "Insufficient Memory" message comes up when trying to display a very populated list box (more than 600 rows), it may be related to the "fast processor speed problem". Check if your client's PC have been upgraded lately to a faster one.
Another hint: Try using MEMLIMIT in CONFIG.FP to allow foxpro allocate more memory.
Roberto