Acceso a memoria no válido - System::Syncobjs::TCriticalSection::Release

<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 5.17.5

Error message:
Acceso a memoria no válido

Traza de la pila:
(003E4D9A) System::Syncobjs::TCriticalSection::Release
(00F87C7E) ___raiseDebuggerException
(00F89CE6) ____ExceptionHandler
(00F86AA0) C5234_0
(0008421F) ntdll.dll
(00071B21) ntdll.dll.KiUserExceptionDispatcher
(00CBCF7F) TTerminalQueue::SetEnabled
(00008B77) TCustomScpExplorerForm::AddQueueItem
(000153E2) TCustomScpExplorerForm::ExecutedFileChanged
(000719F5) TEditorManager::CheckFileChange
(0006F9E2) TEditorManager::Check
(00018C78) TCustomScpExplorerForm::Idle
(00049A73) TNonVisualDataModule::DoIdle
(00049A30) TNonVisualDataModule::SessionIdleTimerTimer
(003A4AA8) System::Classes::TDataModule::WriteHeight
(00044CA9) USER32.dll
(000357B7) USER32.dll
(000348F6) USER32.dll
(000346CB) USER32.dll.DispatchMessageW

(00F882E9) C5296_0
(00F898C3) C5296_0
(00071A17) TEditorManager::CheckFileChange
(0006F9E2) TEditorManager::Check
(00018C78) TCustomScpExplorerForm::Idle
(00049A73) TNonVisualDataModule::DoIdle
(00049A30) TNonVisualDataModule::SessionIdleTimerTimer
(003A4AA8) System::Classes::TDataModule::WriteHeight
(00044CA9) USER32.dll
(000357B7) USER32.dll
(000348F6) USER32.dll
(000346CB) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.