<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 5.13.5
Error message:
Invalid access to memory.
Stack trace:
(008AD877) C3459_0
(00083FFF) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(0009EBA7) TextFromClipboard
(0009EC6B) NonEmptyTextFromClipboard
(000349B3) TNonVisualDataModule::ExplorerActionsUpdate
(003C30DC) System::Actions::TContainedActionList::UpdateAction
(001A8E72) Vcl::Actnlist::TCustomAction::Update
(004698F9) Tb2item::TTBPopupWindow::TTBPopupWindow
(00461F2E) Tb2item::TTBCustomItem::CreatePopup
(0047C992) Tbx::TTBXCustomItem::CreatePopup
(004659C0) Tb2item::TTBView::OpenChildPopup
(004690AA) Tb2item::TTBModalHandler::Loop
(0046823B) Tb2item::TTBView::EnterToolbarLoop
(004768E5) Tb2toolbar::TTBCustomToolbar::MouseDown
(00257694) Vcl::Controls::TControl::DoMouseDown
(002576E3) Vcl::Controls::TControl::WMLButtonDown
(0025BB95) Vcl::Controls::TWinControl::WndProc
(0025B1DC) Vcl::Controls::TWinControl::MainWndProc
(00380EE0) System::Classes::_18201
(00045359) USER32.dll
(00036297) USER32.dll
(000353D6) USER32.dll
(000351AB) USER32.dll.DispatchMessageW
(008AD877) C3459_0
(00083FFF) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(0009EBA7) TextFromClipboard
(0009EC6B) NonEmptyTextFromClipboard
(000349B3) TNonVisualDataModule::ExplorerActionsUpdate
(003C30DC) System::Actions::TContainedActionList::UpdateAction
(001A8E72) Vcl::Actnlist::TCustomAction::Update
(004698F9) Tb2item::TTBPopupWindow::TTBPopupWindow
(00461F2E) Tb2item::TTBCustomItem::CreatePopup
(0047C992) Tbx::TTBXCustomItem::CreatePopup
(004659C0) Tb2item::TTBView::OpenChildPopup
(004690AA) Tb2item::TTBModalHandler::Loop
(0046823B) Tb2item::TTBView::EnterToolbarLoop
(004768E5) Tb2toolbar::TTBCustomToolbar::MouseDown
(00257694) Vcl::Controls::TControl::DoMouseDown
(002576E3) Vcl::Controls::TControl::WMLButtonDown
(0025BB95) Vcl::Controls::TWinControl::WndProc
(0025B1DC) Vcl::Controls::TWinControl::MainWndProc
(00380EE0) System::Classes::_18201
(00045359) USER32.dll
(00036297) USER32.dll
(000353D6) USER32.dll
(000351AB) USER32.dll.DispatchMessageW
(008AD877) C3459_0
(00083FFF) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(0009EBA7) TextFromClipboard
(0009EC6B) NonEmptyTextFromClipboard
(000349B3) TNonVisualDataModule::ExplorerActionsUpdate
(003C30DC) System::Actions::TContainedActionList::UpdateAction
(001A8E72) Vcl::Actnlist::TCustomAction::Update
(004698F9) Tb2item::TTBPopupWindow::TTBPopupWindow
(00461F2E) Tb2item::TTBCustomItem::CreatePopup
(0047C992) Tbx::TTBXCustomItem::CreatePopup
(004659C0) Tb2item::TTBView::OpenChildPopup
(004690AA) Tb2item::TTBModalHandler::Loop
(0046823B) Tb2item::TTBView::EnterToolbarLoop
(004768E5) Tb2toolbar::TTBCustomToolbar::MouseDown
(00257694) Vcl::Controls::TControl::DoMouseDown
(002576E3) Vcl::Controls::TControl::WMLButtonDown
(0025BB95) Vcl::Controls::TWinControl::WndProc
(0025B1DC) Vcl::Controls::TWinControl::MainWndProc
(00380EE0) System::Classes::_18201
(00045359) USER32.dll
(00036297) USER32.dll
(000353D6) USER32.dll
(000351AB) USER32.dll.DispatchMessageW
The problem happens rarely. I cannot reproduce it.