Acceso a memoria no válido - Customdirview::TCustomDirView::DrawThumbnail

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.5.4

Error message:
Acceso a memoria no válido

Rastreo de la pila:
(0050614D) Customdirview::TCustomDirView::DrawThumbnail
(000B343F) ntdll.dll
(0007A66A) ntdll.dll.KiUserExceptionDispatcher
(0050668F) Customdirview::TCustomDirView::CNNotify
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(0003F4F3) USER32.dll
(00026461) USER32.dll.SendMessageW
(0009BB16) COMCTL32.DLL
(0009D07C) COMCTL32.DLL
(000D25C9) COMCTL32.DLL
(0009DC1D) COMCTL32.DLL
(00092F33) COMCTL32.DLL
(000930A0) COMCTL32.DLL
(0009318C) COMCTL32.DLL
(00093207) COMCTL32.DLL
(000958DE) COMCTL32.DLL
(00094662) COMCTL32.DLL
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026405) USER32.dll.CallWindowProcW
(003A3675) Vcl::Controls::TWinControl::DefaultHandler
(003A81FF) Vcl::Controls::TWinControl::WMPrintClient
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(003A3FCB) Vcl::Controls::TWinControl::WMPaint
(0041CF29) Vcl::Comctrls::TCustomListView::WMPaint
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026405) USER32.dll.CallWindowProcW
(000829E4) COMCTL32.DLL
(00082A83) COMCTL32.DLL
(000827FC) COMCTL32.DLL
(00038B21) USER32.dll
(00026C98) USER32.dll
(00026405) USER32.dll.CallWindowProcW
(0053954B) Dragdrop::TDragDrop::WndMethod
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(00025C8B) USER32.dll.DispatchMessageW

(001379F4) System::TObject::Free
(000B343F) ntdll.dll
(0007A66A) ntdll.dll.KiUserExceptionDispatcher
(004F3F8E) Nortonlikelistview::TCustomNortonLikeListView::CNNotify
(0039E3C2) Vcl::Controls::TControl::WndProc
(003A356D) Vcl::Controls::TWinControl::WndProc
(0041B07F) Vcl::Comctrls::TCustomListView::WndProc
(003A36C7) Vcl::Controls::_17122
(003A356D) Vcl::Controls::TWinControl::WndProc
(003A2A78) Vcl::Controls::TWinControl::MainWndProc
(00204C90) System::Classes::_18364
(00038B21) USER32.dll
(00026C98) USER32.dll
(0002673B) USER32.dll
(00032FA7) USER32.dll
(0007A644) ntdll.dll.KiUserCallbackDispatcher
(0003F4F3) USER32.dll
(00026461) USER32.dll.SendMessageW
(0009BB16) COMCTL32.DLL
(0005A1A5) COMCTL32.DLL
(00059BF0) COMCTL32.DLL
(0005963A) COMCTL32.DLL
(0009

The problem happens rarely. I cannot reproduce it.