Cannot focus a disabled or invisible window - Vcl::Forms::TCustomForm::SetActiveControl

This happened when connecting remotely to an NVIDIA Jetson computer. I had a remote session connected using PuTTY which was lagging at the time.

WinSCP 6.3.3

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(003C5D0A) Vcl::Forms::TCustomForm::SetActiveControl

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:
Cannot focus a disabled or invisible window

Stack trace:
(003C594E) Vcl::Forms::TCustomForm::SetActiveControl

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.

@sidharthmudgil225: 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 6.1.2

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(003B3406) Vcl::Forms::TCustomForm::SetActiveControl

The problem happens rarely. I cannot reproduce it.

I cannot determine the cause for this error
I updated to 6.3.5 and this error began being displayed.
I am running
Edition Windows 11 Home
Version 23H2
Installed on ‎8/‎24/‎2024
OS build 22631.4169
Experience Windows Feature Experience Pack 1000.22700.1034.0
----------------------------------
Device name Acerswiftgo_14
Processor 13th Gen Intel(R) Core(TM) i7-13700H 2.40 GHz
Installed RAM 16.0 GB (15.7 GB usable)
Device ID 31B81D89-FCF7-4647-8272-858B31338E41
Product ID 00342-21151-85512-AAOEM
System type 64-bit operating system, x64-based processor
Pen and touch No pen or touch input is available for this display
--------------------------------------------


WinSCP 6.3.5

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(003C594E) Vcl::Forms::TCustomForm::SetActiveControl

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.

@jparker85302: 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:
Cannot focus a disabled or invisible window

Stack trace:
(003C594E) Vcl::Forms::TCustomForm::SetActiveControl

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 6.3.5

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(003C594E) Vcl::Forms::TCustomForm::SetActiveControl

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.

@kcannon76: 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 6.4.1

Error message:
Cannot focus a disabled or invisible window

Stapelverfolgung:
(004A5D82) Vcl::Forms::TCustomForm::SetActiveControl

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.)>
i was alt tabbing around, took a screenshot, sent it in slack, back to winscp, tried to move from a/b/c to a/b/d using the right side, and got an error, then it asked me to reconnect. I was connecting through a vpn if that makes a difference. Probably a weird edge case, alt tab is definitely involved.
<If relevant, consider attaching a session log file or a screenshot)>
Idk where to find the session log sorry

WinSCP 6.3.4

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(003C594E) Vcl::Forms::TCustomForm::SetActiveControl

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.)>
Same person as before talking about alt tabbing
I think I might be able to reproduce this now
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.3.4

Error message:
Cannot focus a disabled or invisible window

Stack trace:
(003C594E) Vcl::Forms::TCustomForm::SetActiveControl

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.

@nodrance: 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.