Privileged instruction - __tpdsc__ Vcl::Comctrls::TTreeNode

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WinSCP 5.7.7

Error message:
Privileged instruction

Stack trace:
(0022F047) __tpdsc__ Vcl::Comctrls::TTreeNode
(00052DD6) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(007126BE) TTerminal::CommandError
(00712451) TTerminal::CommandError
(0071B5C2) TTerminal::ChangeDirectory
(00616007) TUnixDirView::ChangeDirectory
(00614452) TUnixDirView::ExecuteFile
(0021C609) Vcl::Controls::TWinControl::WndProc
(00260537) Vcl::Comctrls::TCustomListView::WndProc
(0034059C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD32) USER32.dll
(0001FD58) USER32.dll.CallWindowProcW
(003FF173) Dragdrop::TDragDrop::WndMethod
(0034059C) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167CE) USER32.dll
(00016895) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.