Reg Clemens wrote: > > #define LINES 500000 > > /* this is the (uncomplteted code to run from AUB to delete > files (coming in) that are already in the database */ > > char lines[LINES][200]; That 500000*200 may be causing problems. Try with 500*200; will the program start? I remember to have experienced a similar issue in the past. A test with 500000*200 on FC5 worked well here. Best regards. -- Roberto Ragusa mail at robertoragusa.it