Invalid Window Handle

Parry_Tom · September 29, 2015, 5:49pm

I am including MadExcept bug report information if that will help.
It seems to point to TVrTimerThread or at least waiting for it to terminate.
(Sorry about the length I could not find any file attachment link)

date/time : 2015-09-29, 11:33:14, 662ms
computer name : SKYIND
user name : Shawn
registered owner : Windows User
operating system : Windows 10 x64 build 10240
system language : English
system up time : 2 days 21 hours
program up time : 1 minute 1 second
processors : 8x Intel(R) Core(TM) i7-4910MQ CPU @ 2.90GHz
physical memory : 28782/32648 MB (free/total)
free disk space : (C:) 356.96 GB
display mode : 1440x810, 32 bit
process id : $afb0
allocated memory : 80.25 MB
largest free block : 688.94 MB
executable : DLL_Testbed_TP_debug_no_monitor.exe
exec. date/time : 2015-09-29 10:49
version : 2.0.5750.38946
compiled with : Delphi 10 Seattle
madExcept version : 4.0.12
callstack crc : $8312ec2e, $dd86325b, $fbb95360
exception number : 1
exception class : EOSError
exception message : System Error. Code: 1400. Invalid window handle.

main thread ($b290):
0045762c +07c DLL_Testbed_TP_debug_no_monitor.exe System.SysUtils RaiseLastOSError
004575a7 +007 DLL_Testbed_TP_debug_no_monitor.exe System.SysUtils RaiseLastOSError
0059481d +049 DLL_Testbed_TP_debug_no_monitor.exe Vcl.Controls TWinControl.DestroyWindowHandle
00592a84 +0a8 DLL_Testbed_TP_debug_no_monitor.exe Vcl.Controls TWinControl.Destroy
0059b900 +01c DLL_Testbed_TP_debug_no_monitor.exe Vcl.Controls TCustomControl.Destroy
00592ab2 +0d6 DLL_Testbed_TP_debug_no_monitor.exe Vcl.Controls TWinControl.Destroy
0063e867 +04b DLL_Testbed_TP_debug_no_monitor.exe Vcl.Forms TScrollingWinControl.Destroy
0063f704 +11c DLL_Testbed_TP_debug_no_monitor.exe Vcl.Forms TCustomForm.Destroy
00409cac +008 DLL_Testbed_TP_debug_no_monitor.exe System 524 +0 TObject.Free
0052f060 +074 DLL_Testbed_TP_debug_no_monitor.exe System.Classes TComponent.DestroyComponents
0063d635 +035 DLL_Testbed_TP_debug_no_monitor.exe Vcl.Forms DoneApplication
0044efdd +021 DLL_Testbed_TP_debug_no_monitor.exe System.SysUtils DoExitProc
0040b87a +06a DLL_Testbed_TP_debug_no_monitor.exe System 524 +0 @Halt0
006eff09 +235 DLL_Testbed_TP_debug_no_monitor.exe DLL_Testbed_TP 70 +33 initialization
77333742 +022 KERNEL32.DLL BaseThreadInitThunk

thread $bac8 (TVrTimerThread):
754b8d03 +93 KERNELBASE.dll WaitForSingleObjectEx
754b8c5d +0d KERNELBASE.dll WaitForSingleObject
0066d835 +19 DLL_Testbed_TP_debug_no_monitor.exe VrThreads 147 +2 TVrTimerThread.Execute
004a44e3 +2b DLL_Testbed_TP_debug_no_monitor.exe madExcept HookedTThreadExecute
0052d885 +49 DLL_Testbed_TP_debug_no_monitor.exe System.Classes ThreadProc
0040b998 +28 DLL_Testbed_TP_debug_no_monitor.exe System 524 +0 ThreadWrapper
004a43c9 +0d DLL_Testbed_TP_debug_no_monitor.exe madExcept CallThreadProcSafe
004a442e +32 DLL_Testbed_TP_debug_no_monitor.exe madExcept ThreadExceptFrame
77333742 +22 KERNEL32.DLL BaseThreadInitThunk

created by main thread ($b290) at:
0066d780 +4c DLL_Testbed_TP_debug_no_monitor.exe VrThreads 128 +4 TVrTimerThread.Create