lcDefFile = FORCEEXT(SYS(2015), "PRG") * TEXT TO lcDefineClass TEXTMERGE NOSHOW DEFINE CLASS PreviewWindow AS Form SHOWWINDOW = 1 DESKTOP = .T. ENDDEFINE ENDTEXT STRTOFILE(lcDefineClass, lcDefFile) * loPreviewWindow = NEWOBJECT("PreviewWindow", lcDefFile) loPreviewWindow.SHOW() *-- some work done here *-- Here I need to find the proper way to close the *-- references. *-- I try to get rid of the outstanding references but *-- this does not work. RELEASE loPreviewWindow *-- This will give an error: Procedure file ... not found. *-- RELEASE CLASSLIB (FORCEEXT(lcDefFile, "FXP")) ERASE (lcDefFile) *-- The next one gives an error, Outstanding references... ERASE (FORCEEXT(lcDefFile, "FXP"))Can somebody help me here?