I got that run time error for the first time .
Application
===========
Path and name: E:\programs\clipper\FWH\sitex\sitex.exe (32 bits)
Size: 1,190,400 bytes
Time from start: 0 hours 0 mins 11 secs
Error occurred at: 10/03/2006, 16:30:07
Error description: Error FiveWin/3 Cannot create Dialog Box:
ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿResource: PREVIEW_PROC

Stack Calls

Called from: => CREATEDLGERROR(0)
Called from: => TDIALOG:ACTIVATE(0)
Called from: => TREPORT:ACTIVATE(0)
Called from: => TWBROWSE:REPORT(0)
Called from: => (b)LISTCUST(190)
Called from: => TBUTTON:CLICK(0)
Called from: => TCONTROL:HANDLEEVENT(0)
Called from: => _FWH(0)
Called from: => SENDMESSAGE(0)
Called from: => TWINDOW:COMMAND(0)
Called from: => TWINDOW:HANDLEEVENT(0)
Called from: => TWINDOW:HANDLEEVENT(0)
Called from: => DIALOGBOXINDIRECT(0)
Called from: => TWINDOW:ACTIVATE(0)
Called from: => LISTCUST(199)
Called from: => (b)BUILDMENU(68)
Called from: => TMENU:COMMAND(0)
Called from: => TWINDOW:COMMAND(0)
Called from: => TWINDOW:HANDLEEVENT(0)
Called from: => _FWH(0)
Called from: => WINRUN(0)
Called from: => TWINDOW:ACTIVATE(0)
Called from: => MAIN(50)

Ehab,
You cannot have PREVIEW.DLL in a 32-bit program.
In 32-bit environments, we use PREV32.DLL

• Also check your private email -
  Regards
  Evans