Is here any expert which can be explain this strange behavior?

Example package: http://gorila.netlab.cz/download/bugs/SB_VFP9.0-doform.zip

Parts:
tryendtry.prg - DO FORM and TRY...ENTRY
onerror.prg - DO FORM and ON ERROR

Description: Procedure RunModule() is main procedure in microkernel for running any form, report, program or procedure. Procedure APPMAIN() is proxy proram in each apllication.

After run the form is steel exist and cannot be terminate, with excpetion CLEAR ALL.

If you move object Label1 from page to form, the form after error handling is terminate correctly.