Invalid access to memory - Vcl::Comctrls::TTreeNodes::InsertObject

<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 5.13

Error message:
Invalid access to memory.

Stack trace:
(0025C7E3) Vcl::Controls::TWinControl::HandleNeeded
(00062496) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0028D912) Vcl::Comctrls::TTreeNodes::InsertObject
(0043161C) Driveview::TDriveView::RefreshRootNodes
(0042FD21) Driveview::TDriveView::InternalWndProc
(0037ED14) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(0025C7E3) Vcl::Controls::TWinControl::HandleNeeded
(00062496) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0028D912) Vcl::Comctrls::TTreeNodes::InsertObject
(0043161C) Driveview::TDriveView::RefreshRootNodes
(0042FD21) Driveview::TDriveView::InternalWndProc
(0037ED14) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.

<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 5.13.1

Error message:
Invalid access to memory.

Stack trace:
(002D516E)
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0028D95E) Vcl::Comctrls::TTreeNodes::InsertObject
(00431668) Driveview::TDriveView::RefreshRootNodes
(0042FD6D) Driveview::TDriveView::InternalWndProc
(0037ED60) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(002D516E)
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(0028D95E) Vcl::Comctrls::TTreeNodes::InsertObject
(00431668) Driveview::TDriveView::RefreshRootNodes
(0042FD6D) Driveview::TDriveView::InternalWndProc
(0037ED60) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.