In VFP 7, paste the following code into a PRG and run it from the COMMAND WINDOW to see if it will duplicate your C5 error. Please let me know. Thanks.

CLOSE ALL
ERASE TestRepo.PJ?

TEXT TO lcText NOSHOW 

ERASE TestRepo.dbf
ERASE TestRepo.fr?
CREATE TABLE TestRepo (f1 c(3), f2 c(3))
INSERT INTO TestRepo VALUES ('111', 'AAA')
INSERT INTO TestRepo VALUES ('222', 'BBB')
CREATE REPORT TestRepo from TestRepo
USE TestRepo
FOR lnI = 1 TO 20
	REPORT FORM ("TestRepo") preview
ENDFOR

ENDTEXT

STRTOFILE(lcText,'TestRepo.prg')
CREATE PROJECT TestRepo NOWAIT NOSHOW
_vfp.ActiveProject.Files.Add('TestRepo.prg')
_vfp.ActiveProject.Build('TestRepo.exe', 3)
_vfp.ActiveProject.Close()
lcRuncmd ="RUN /N " + SET("Default") + CURDIR() + 'TestRepo.exe'
&lcRuncmd 
RETURN

>Hi,
>I have recompiled an existing application in VFP 7.
>Now, when I PREVIEW a report several times from the application, I get a C5 error. It happens sometimes on the first preview, sometimes the third or fourth time I hit "preview".
>But IF I RUN THE EXE USING 6.0 DLLS (-DVFP6R.DLL), it works ok. No C5s
>Any ideas?
>OS is W2000, 128 MB, it also happens on W95.
>Default printer is a HP laserjet5, with MS drivers
>TIA