Zugriffsverletzung - ung�ltiger Zugriff auf den Speicher - TEditorForm::UpdateControls

<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 5.7.5

Error message:
Zugriffsverletzung - ung�ltiger Zugriff auf den Speicher.

Stack trace:
(0074949B) TEditorForm::UpdateControls
(0003F07E) ntdll.dll.ZwWow64CallFunction64
(0003F7FA) ntdll.dll.KiUserExceptionDispatcher

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 5.7.6

Error message:
Invalid access to memory.

Stack trace:
(0074A16B) TEditorForm::UpdateControls
(000623AA) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher

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 5.13.2

Error message:
Range check error

Stack trace:
(008BCCAD) C5104_0
(008BE1E0) _ThrowExceptionLDTC
(007FD66B) TEditorForm::UpdateControls
(007FDB90) TEditorForm::EditorMemoChange
(0025AEE1) Vcl::Controls::TWinControl::WndProc
(00255FD8) Vcl::Controls::TControl::Perform
(0025B047) Vcl::Controls::_17076
(0025AEE1) Vcl::Controls::TWinControl::WndProc
(002153A8) Vcl::Forms::TCustomForm::WndProc

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 5.13.2

Error message:
Range check error

Stack trace:
(008BCCAD) C5104_0
(008BE1E0) _ThrowExceptionLDTC
(007FD66B) TEditorForm::UpdateControls
(007FDB90) TEditorForm::EditorMemoChange
(0025AEE1) Vcl::Controls::TWinControl::WndProc
(00255FD8) Vcl::Controls::TControl::Perform
(0025B047) Vcl::Controls::_17076
(0025AEE1) Vcl::Controls::TWinControl::WndProc
(002153A8) Vcl::Forms::TCustomForm::WndProc

The problem happens rarely. I cannot reproduce it.

<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.13.2

Error message:
Range check error

Stack trace:
(008BCCAD) C5104_0
(008BE1E0) _ThrowExceptionLDTC
(007FD66B) TEditorForm::UpdateControls
(007FDB90) TEditorForm::EditorMemoChange
(0025AEE1) Vcl::Controls::TWinControl::WndProc
(00255FD8) Vcl::Controls::TControl::Perform
(0025B047) Vcl::Controls::_17076
(0025AEE1) Vcl::Controls::TWinControl::WndProc
(002153A8) Vcl::Forms::TCustomForm::WndProc

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 5.19.2

Error message:
Range check error

Трассировка стека:
(00FBCC7D) C5294_3
(00FBE1B0) _ThrowExceptionLDTC
(00E0C2A0) TEditorForm::UpdateControls
(00E0C82C) TEditorForm::EditorMemoChange
(00280255) Vcl::Controls::TWinControl::WndProc
(0027B34C) Vcl::Controls::TControl::Perform
(002803BB) Vcl::Controls::_17076
(00280255) Vcl::Controls::TWinControl::WndProc
(0023A71C) Vcl::Forms::TCustomForm::WndProc

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 5.19.2

Error message:
Range check error

Трассировка стека:
(00FBCC7D) C5294_3
(00FBE1B0) _ThrowExceptionLDTC
(00E0C2A0) TEditorForm::UpdateControls
(00E0C82C) TEditorForm::EditorMemoChange
(00280255) Vcl::Controls::TWinControl::WndProc
(0027B34C) Vcl::Controls::TControl::Perform
(002803BB) Vcl::Controls::_17076
(00280255) Vcl::Controls::TWinControl::WndProc
(0023A71C) Vcl::Forms::TCustomForm::WndProc

The problem happens rarely. I cannot reproduce it.