==18462== Invalid read of size 4
==18462==    at 0x43C75CE: gtk_tree_row_reference_valid (in /usr/lib/libgtk-x11-2.0.so.0.1905.0)
==18462==    by 0x8290D3C: GTK2WSSTDCTRLS_TGTK2WSCUSTOMLISTBOX_$__SETITEMINDEX$TCUSTOMLISTBOX$LONGINT (gtk2wsstdctrls.pp:513)
==18462==    by 0x81BCC0A: STDCTRLS_TCUSTOMLISTBOX_$__SENDITEMINDEX (customlistbox.inc:483)
==18462==    by 0x81BBE59: STDCTRLS_TCUSTOMLISTBOX_$__INITIALIZEWND (customlistbox.inc:113)
==18462==    by 0x817AE07: CONTROLS_TWINCONTROL_$__CREATEWND (wincontrol.inc:6734)
==18462==    by 0x817A9F4: CONTROLS_TWINCONTROL_$__CREATEHANDLE (wincontrol.inc:6650)
==18462==    by 0x817B9E9: CONTROLS_TWINCONTROL_$__HANDLENEEDED (wincontrol.inc:7054)
==18462==    by 0x817AEE4: CONTROLS_TWINCONTROL_$__CREATEWND (wincontrol.inc:6749)
==18462==    by 0x817A9F4: CONTROLS_TWINCONTROL_$__CREATEHANDLE (wincontrol.inc:6650)
==18462==    by 0x817B9E9: CONTROLS_TWINCONTROL_$__HANDLENEEDED (wincontrol.inc:7054)
==18462==    by 0x817AEE4: CONTROLS_TWINCONTROL_$__CREATEWND (wincontrol.inc:6749)
==18462==    by 0x8077CC0: FORMS_TSCROLLINGWINCONTROL_$__CREATEWND (scrollingwincontrol.inc:32)
==18462==  Address 0xffffd8f8 is not stack'd, malloc'd or (recently) free'd
==18462== 
[FORMS.PP] ExceptionOccurred 
  Sender=EAccessViolation
  Exception=Access violation
  Stack trace:
  $043C75CE
  $08290D3D
  $081BCC0B
  $081BBE5A
  $0817AE08
  $0817A9F5
  $0817B9EA
  $0817AEE5
  $0817A9F5
  $0817B9EA
  $0817AEE5
  $08077CC1
  $0807CFAC
  $0807E069
  $0817A9F5
  $0817B9EA
  $080853CE
TApplication.HandleException Access violation
  Stack trace:
  $043C75CE
  $08290D3D
  $081BCC0B
  $081BBE5A
  $0817AE08
  $0817A9F5
  $0817B9EA
  $0817AEE5
  $0817A9F5
  $0817B9EA
  $0817AEE5
  $08077CC1
  $0807CFAC
  $0807E069
  $0817A9F5
  $0817B9EA
  $080853CE
^C==18462== Invalid free() / delete / delete[]
==18462==    at 0x4024B3A: free (vg_replace_malloc.c:366)
==18462==    by 0x48D2944: ??? (in /lib/tls/i686/cmov/libc-2.11.1.so)
==18462==    by 0x401F4F3: _vgnU_freeres (vg_preloaded.c:62)
==18462==    by 0x487AB2A: poll (poll.c:83)
==18462==    by 0x46BECCA: g_poll (in /lib/libglib-2.0.so.0.2303.0)
==18462==    by 0x46B1ACE: ??? (in /lib/libglib-2.0.so.0.2303.0)
==18462==    by 0x46B1E57: g_main_context_iteration (in /lib/libglib-2.0.so.0.2303.0)
==18462==    by 0x42C1D22: gtk_main_iteration_do (in /usr/lib/libgtk-x11-2.0.so.0.1905.0)
==18462==    by 0x81CD8C9: GTKINT_TGTKWIDGETSET_$__APPWAITMESSAGE (gtkwidgetset.inc:1283)
==18462==    by 0x80816D9: FORMS_TAPPLICATION_$__IDLE$BOOLEAN (application.inc:338)
==18462==    by 0x807DB4C: FORMS_TCUSTOMFORM_$__SHOWMODAL$$LONGINT (customform.inc:2290)
==18462==    by 0x822FD83: DIALOGS_SHOWPROMPTDIALOG$crc784562CD (promptdialog.inc:545)
==18462==  Address 0xffffffff is not stack'd, malloc'd or (recently) free'd
==18462== 
==18462== 
==18462== HEAP SUMMARY:
==18462==     in use at exit: 1,191,686 bytes in 13,268 blocks
==18462==   total heap usage: 49,178 allocs, 35,911 frees, 4,394,164 bytes allocated
==18462== 
==18462== LEAK SUMMARY:
==18462==    definitely lost: 2,129 bytes in 15 blocks
==18462==    indirectly lost: 6,780 bytes in 340 blocks
==18462==      possibly lost: 755,409 bytes in 7,835 blocks
==18462==    still reachable: 427,368 bytes in 5,078 blocks
==18462==         suppressed: 0 bytes in 0 blocks
==18462== Rerun with --leak-check=full to see details of leaked memory
==18462== 
==18462== For counts of detected and suppressed errors, rerun with: -v
==18462== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 167 from 13)