Invalid access to memory - Vcl::Imglist::TCustomImageList::AddMasked

<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 6.1

Error message:
Invalid access to memory.

Stack trace:
(00343767) Vcl::Imglist::TCustomImageList::AddMasked
(000974CF) ntdll.dll
(00077751) ntdll.dll.KiUserExceptionDispatcher
(00514113) Pngimagelist::TPngImageList::AddMasked
(00E6F3DF) TLoginDialog::AddLoginButtonImage
(00E6E9E0) TLoginDialog::UpdateLoginButton
(00E7286A) TLoginDialog::ActionListUpdate
(00262BEC) System::Actions::TContainedActionList::UpdateAction
(003467B6) Vcl::Actnlist::TCustomAction::Update
(003B5406) Vcl::Forms::_16777
(003B5406) Vcl::Forms::_16777
(003B5484) Vcl::Forms::TCustomForm::UpdateActions

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 6.1

Error message:
Invalid access to memory.

Stack trace:
(00343767) Vcl::Imglist::TCustomImageList::AddMasked
(00087A5F) ntdll.dll
(00073F81) ntdll.dll.KiUserExceptionDispatcher
(00514113) Pngimagelist::TPngImageList::AddMasked
(00E6F3DF) TLoginDialog::AddLoginButtonImage
(00E6E9E0) TLoginDialog::UpdateLoginButton
(00E7286A) TLoginDialog::ActionListUpdate
(00262BEC) System::Actions::TContainedActionList::UpdateAction
(003467B6) Vcl::Actnlist::TCustomAction::Update
(003B5406) Vcl::Forms::_16777
(003B5406) Vcl::Forms::_16777
(003B5484) Vcl::Forms::TCustomForm::UpdateActions

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 6.1.1

Error message:
Ongeldige toegang tot geheugen.

Stack trace:
(003437CB) Vcl::Imglist::TCustomImageList::AddMasked
(00087A5F) ntdll.dll
(00073F81) ntdll.dll.KiUserExceptionDispatcher
(00514177) Pngimagelist::TPngImageList::AddMasked
(00E6DCE3) TLoginDialog::AddLoginButtonImage
(00E6D2E4) TLoginDialog::UpdateLoginButton
(00E7116E) TLoginDialog::ActionListUpdate
(00262C50) System::Actions::TContainedActionList::UpdateAction
(0034681A) Vcl::Actnlist::TCustomAction::Update
(003B546A) Vcl::Forms::_16777
(003B546A) Vcl::Forms::_16777
(003B54E8) Vcl::Forms::TCustomForm::UpdateActions

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 6.1.1

Error message:
Invalid access to memory.

Stack trace:
(003437CB) Vcl::Imglist::TCustomImageList::AddMasked
(00087A5F) ntdll.dll
(00073F81) ntdll.dll.KiUserExceptionDispatcher
(00514177) Pngimagelist::TPngImageList::AddMasked
(00E6DCE3) TLoginDialog::AddLoginButtonImage
(00E6D2E4) TLoginDialog::UpdateLoginButton
(00E7116E) TLoginDialog::ActionListUpdate
(00262C50) System::Actions::TContainedActionList::UpdateAction
(0034681A) Vcl::Actnlist::TCustomAction::Update
(003B546A) Vcl::Forms::_16777
(003B546A) Vcl::Forms::_16777
(003B54E8) Vcl::Forms::TCustomForm::UpdateActions

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 6.1

Error message:
Invalid access to memory.

Stack trace:
(00343767) Vcl::Imglist::TCustomImageList::AddMasked
(000981DF) ntdll.dll
(00077D51) ntdll.dll.KiUserExceptionDispatcher
(00514113) Pngimagelist::TPngImageList::AddMasked
(00E6F3DF) TLoginDialog::AddLoginButtonImage
(00E6E9E0) TLoginDialog::UpdateLoginButton
(00E7286A) TLoginDialog::ActionListUpdate
(00262BEC) System::Actions::TContainedActionList::UpdateAction
(003467B6) Vcl::Actnlist::TCustomAction::Update
(003B5406) Vcl::Forms::_16777
(003B5406) Vcl::Forms::_16777
(003B5484) Vcl::Forms::TCustomForm::UpdateActions

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 6.3.1

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(00355F27) Vcl::Imglist::TCustomImageList::AddMasked
(0009819F) ntdll.dll
(00077DB1) ntdll.dll.KiUserExceptionDispatcher
(00526D27) Pngimagelist::TPngImageList::AddMasked
(00CD660F) TLoginDialog::AddLoginButtonImage
(00CD5C10) TLoginDialog::UpdateLoginButton
(00CD9A36) TLoginDialog::ActionListUpdate
(00275080) System::Actions::TContainedActionList::UpdateAction
(00358F76) Vcl::Actnlist::TCustomAction::Update
(003C7BC6) Vcl::Forms::_16777
(003C7BC6) Vcl::Forms::_16777
(003C7C44) Vcl::Forms::TCustomForm::UpdateActions

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 6.3.3

Error message:
Invalid access to memory.

Stack trace:
(00356983) Vcl::Imglist::TCustomImageList::AddMasked
(0009823F) ntdll.dll
(00077E51) ntdll.dll.KiUserExceptionDispatcher
(005277AF) Pngimagelist::TPngImageList::AddMasked
(00CD6FFB) TLoginDialog::AddLoginButtonImage
(00CD65FC) TLoginDialog::UpdateLoginButton
(00CDA422) TLoginDialog::ActionListUpdate
(00275ADC) System::Actions::TContainedActionList::UpdateAction
(003599D2) Vcl::Actnlist::TCustomAction::Update
(003C8622) Vcl::Forms::_16777
(003C8622) Vcl::Forms::_16777
(003C86A0) Vcl::Forms::TCustomForm::UpdateActions

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@endlessgamingonline: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<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 6.3.3

Error message:
Invalid access to memory.

Stack trace:
(00356983) Vcl::Imglist::TCustomImageList::AddMasked
(000987BF) ntdll.dll
(00077E51) ntdll.dll.KiUserExceptionDispatcher
(005277AF) Pngimagelist::TPngImageList::AddMasked
(00CD6FFB) TLoginDialog::AddLoginButtonImage
(00CD65FC) TLoginDialog::UpdateLoginButton
(00CDA422) TLoginDialog::ActionListUpdate
(00275ADC) System::Actions::TContainedActionList::UpdateAction
(003599D2) Vcl::Actnlist::TCustomAction::Update
(003C8622) Vcl::Forms::_16777
(003C8622) Vcl::Forms::_16777
(003C86A0) Vcl::Forms::TCustomForm::UpdateActions

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@endlessgamingonline: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<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 6.3.3

Error message:
Invalid access to memory.

Stack trace:
(00356983) Vcl::Imglist::TCustomImageList::AddMasked
(00098CCF) ntdll.dll
(000781E1) ntdll.dll.KiUserExceptionDispatcher
(005277AF) Pngimagelist::TPngImageList::AddMasked
(00CD6FFB) TLoginDialog::AddLoginButtonImage
(00CD65FC) TLoginDialog::UpdateLoginButton
(00CDA422) TLoginDialog::ActionListUpdate
(00275ADC) System::Actions::TContainedActionList::UpdateAction
(003599D2) Vcl::Actnlist::TCustomAction::Update
(003C8622) Vcl::Forms::_16777
(003C8622) Vcl::Forms::_16777
(003C86A0) Vcl::Forms::TCustomForm::UpdateActions

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@nandanparalikarnap: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<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 6.3.4

Error message:
Invalid access to memory.

Stack trace:
(003565CB) Vcl::Imglist::TCustomImageList::AddMasked
(00098CCF) ntdll.dll
(000781E1) ntdll.dll.KiUserExceptionDispatcher
(005270DF) Pngimagelist::TPngImageList::AddMasked
(00CD76F3) TLoginDialog::AddLoginButtonImage
(00CD6CF4) TLoginDialog::UpdateLoginButton
(00CDAB1A) TLoginDialog::ActionListUpdate
(00275884) System::Actions::TContainedActionList::UpdateAction
(0035961A) Vcl::Actnlist::TCustomAction::Update
(003C8266) Vcl::Forms::_16777
(003C8266) Vcl::Forms::_16777
(003C82E4) Vcl::Forms::TCustomForm::UpdateActions

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 6.3.4

Error message:
Invalid access to memory.

Stack trace:
(003565CB) Vcl::Imglist::TCustomImageList::AddMasked
(00098CCF) ntdll.dll
(000781E1) ntdll.dll.KiUserExceptionDispatcher
(005270DF) Pngimagelist::TPngImageList::AddMasked
(00CD76F3) TLoginDialog::AddLoginButtonImage
(00CD6CF4) TLoginDialog::UpdateLoginButton
(00CDAB1A) TLoginDialog::ActionListUpdate
(00275884) System::Actions::TContainedActionList::UpdateAction
(0035961A) Vcl::Actnlist::TCustomAction::Update
(003C8266) Vcl::Forms::_16777
(003C8266) Vcl::Forms::_16777
(003C82E4) Vcl::Forms::TCustomForm::UpdateActions

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

@endlessgamingonline: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<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 6.3.5

Error message:
Unzulässiger Zugriff auf einen Speicherbereich.

Stapelverfolgung:
(003565CB) Vcl::Imglist::TCustomImageList::AddMasked
(00098D8F) ntdll.dll
(000781B1) ntdll.dll.KiUserExceptionDispatcher
(005270DF) Pngimagelist::TPngImageList::AddMasked
(00CD8D57) TLoginDialog::AddLoginButtonImage
(00CD8358) TLoginDialog::UpdateLoginButton
(00CDC17E) TLoginDialog::ActionListUpdate
(00275884) System::Actions::TContainedActionList::UpdateAction
(0035961A) Vcl::Actnlist::TCustomAction::Update
(003C8266) Vcl::Forms::_16777
(003C8266) Vcl::Forms::_16777
(003C82E4) Vcl::Forms::TCustomForm::UpdateActions

The problem happens rarely. I cannot reproduce it.

scp connected from new intel i7 pc with 48 gb ram running windows 11, from an old i7 pc with 32 gb ram running windows 10. got error right after connection established.


WinSCP 6.3.3

Error message:
Invalid access to memory.

Stack trace:
(00356983) Vcl::Imglist::TCustomImageList::AddMasked
(00098D8F) ntdll.dll
(000781B1) ntdll.dll.KiUserExceptionDispatcher
(005277AF) Pngimagelist::TPngImageList::AddMasked
(00CD6FFB) TLoginDialog::AddLoginButtonImage
(00CD65FC) TLoginDialog::UpdateLoginButton
(00CDA422) TLoginDialog::ActionListUpdate
(00275ADC) System::Actions::TContainedActionList::UpdateAction
(003599D2) Vcl::Actnlist::TCustomAction::Update
(003C8622) Vcl::Forms::_16777
(003C8622) Vcl::Forms::_16777
(003C86A0) Vcl::Forms::TCustomForm::UpdateActions

The problem happens rarely. I cannot reproduce it.