Delphi程序中的访问冲突可以'；我找不到任何线索

我在一些客户那里有一个Delphi应用程序，我遇到了访问冲突，但我无法在几个不同的系统上复制它。还有一个客户有两台相同的计算机，一台发生在另一台上

当使用一些第三方组件打开表单（但我也尝试更新它们）时，会发生异常，该表单是从另一个表单继承的。 我得到了这个日志，但它似乎也帮不了我。有人知道我下一步能做什么吗

exception class    : EAccessViolation
exception message  : Zugriffsverletzung bei Adresse 0064E033 in Modul 'MyProgram.exe'. Lesen von Adresse 5AC03580.

main thread ($42c):
0064e033 +003 MyProgram.exe Vcl.Controls                 TWinControl.HandleNeeded
0064e059 +005 MyProgram.exe Vcl.Controls                 TWinControl.GetHandle
00757f4d +16d MyProgram.exe Vcl.Forms                    TCustomForm.SetFocusedControl
0064ad51 +1cd MyProgram.exe Vcl.Controls                 TWinControl.WndProc
00f1f1ef +13b MyProgram.exe cxControls                   TcxControl.WndProc
0064a78c +02c MyProgram.exe Vcl.Controls                 TWinControl.MainWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
77c40594 +034 ntdll.dll                                    KiUserCallbackDispatcher
00755490 +1a0 MyProgram.exe Vcl.Forms                    TCustomForm.WndProc
00b54029 +03d MyProgram.exe Frm_MDIChildVorlage 1092 +15 TForm_MDIChildVorlage.WndProc
0064a78c +02c MyProgram.exe Vcl.Controls                 TWinControl.MainWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
77c40594 +034 ntdll.dll                                    KiUserCallbackDispatcher
777ad6c0 +090 USER32.dll                                   CallWindowProcW
0075596a +03a MyProgram.exe Vcl.Forms                    Default
00755b95 +1d9 MyProgram.exe Vcl.Forms                    TCustomForm.ClientWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
777ad6c0 +090 USER32.dll                                   CallWindowProcW
02302e82 +0ea MyProgram.exe Frm_MainVorlage     1251 +22 TForm_MainVorlage.ClientWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
777ad6c0 +090 USER32.dll                                   CallWindowProcW
0084819e +2d6 MyProgram.exe AdvMenus            2933 +63 MDIClientWndProc
77c40594 +034 ntdll.dll                                    KiUserCallbackDispatcher
777c8f63 +013 USER32.dll                                   DefMDIChildProcW
777ad6c0 +090 USER32.dll                                   CallWindowProcW
0064b27e +0e6 MyProgram.exe Vcl.Controls                 TWinControl.DefaultHandler
00757c46 +05a MyProgram.exe Vcl.Forms                    TCustomForm.DefaultHandler
0064662d +2bd MyProgram.exe Vcl.Controls                 TControl.WndProc
0064b16d +5e9 MyProgram.exe Vcl.Controls                 TWinControl.WndProc
0075591c +62c MyProgram.exe Vcl.Forms                    TCustomForm.WndProc
00b54029 +03d MyProgram.exe Frm_MDIChildVorlage 1092 +15 TForm_MDIChildVorlage.WndProc
0064a78c +02c MyProgram.exe Vcl.Controls                 TWinControl.MainWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
77c40594 +034 ntdll.dll                                    KiUserCallbackDispatcher
777ad6c0 +090 USER32.dll                                   CallWindowProcW
0075596a +03a MyProgram.exe Vcl.Forms                    Default
00755b95 +1d9 MyProgram.exe Vcl.Forms                    TCustomForm.ClientWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
777ad6c0 +090 USER32.dll                                   CallWindowProcW
02302e82 +0ea MyProgram.exe Frm_MainVorlage     1251 +22 TForm_MainVorlage.ClientWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
777ad6c0 +090 USER32.dll                                   CallWindowProcW
0084819e +2d6 MyProgram.exe AdvMenus            2933 +63 MDIClientWndProc
77c40594 +034 ntdll.dll                                    KiUserCallbackDispatcher
777b2b34 +134 USER32.dll                                   SendMessageW
00757bd2 +042 MyProgram.exe Vcl.Forms                    TCustomForm.DestroyWindowHandle
007544d7 +073 MyProgram.exe Vcl.Forms                    TCustomForm.Destroy
00409df0 +008 MyProgram.exe System               173  +0 TObject.Free
00759c74 +000 MyProgram.exe Vcl.Forms                    TCustomForm.CMRelease
0064662d +2bd MyProgram.exe Vcl.Controls                 TControl.WndProc
0064b16d +5e9 MyProgram.exe Vcl.Controls                 TWinControl.WndProc
0075591c +62c MyProgram.exe Vcl.Forms                    TCustomForm.WndProc
00b54029 +03d MyProgram.exe Frm_MDIChildVorlage 1092 +15 TForm_MDIChildVorlage.WndProc
0064a78c +02c MyProgram.exe Vcl.Controls                 TWinControl.MainWndProc
0054dd1c +014 MyProgram.exe System.Classes               StdWndProc
777aa67b +00b USER32.dll                                   DispatchMessageW
0075ef77 +0f3 MyProgram.exe Vcl.Forms                    TApplication.ProcessMessage
0075efba +00a MyProgram.exe Vcl.Forms                    TApplication.HandleMessage
0075f2ed +0c9 MyProgram.exe Vcl.Forms                    TApplication.Run
02371231 +241 MyProgram.exe REPDOC_Main         1003 +53 initialization
754e7c02 +022 KERNEL32.DLL                                 BaseThreadInitThunk

thread $89c:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $1fc:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $3dc:
75e02d54 +24 KERNELBASE.dll            GetQueuedCompletionStatus
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
623ac11a +00 libcef.dll

thread $1150:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $ca4:
75e02d54 +24 KERNELBASE.dll            GetQueuedCompletionStatus
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $11cc:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $bd4:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $9b8:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $ef8:
75dd28bd +000 KERNELBASE.dll            WaitForMultipleObjectsEx
777adcbd +15d USER32.dll                MsgWaitForMultipleObjectsEx
004b42ad +00d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +032 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +022 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +000 libcef.dll

thread $139c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $1038:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $ac:
75e02d54 +24 KERNELBASE.dll            GetQueuedCompletionStatus
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $1294:
75e02d54 +24 KERNELBASE.dll            GetQueuedCompletionStatus
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $11fc:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $1294 at:
6137fc3b +00 libcef.dll

thread $1194:
77cbb56c +ac ntdll.dll                 RtlSleepConditionVariableCS
75e78d2a +1a KERNELBASE.dll            SleepConditionVariableCS
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6137fc3b +00 libcef.dll

thread $d54:
75e02d54 +24 KERNELBASE.dll            GetQueuedCompletionStatus
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $ef8 at:
6137fc3b +00 libcef.dll

thread $104c:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $bbc:
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
758c9e7e +00 combase.dll

thread $ee4: <priority:2>
777bd577 +47 USER32.dll                GetMessageA
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6ad45607 +00 WINMM.dll

thread $2f4:
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7388e7bc +00 clr.dll

thread $200: <priority:2>
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7390be93 +00 clr.dll

thread $ecc:
75dc2b7d +4d KERNELBASE.dll            SleepEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
738bc074 +00 clr.dll

thread $51c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $ecc at:
7390be93 +00 clr.dll

thread $180:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $ecc at:
738bc074 +00 clr.dll

thread $107c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $51c at:
7390be93 +00 clr.dll

thread $f68:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $51c at:
7390be93 +00 clr.dll

thread $e9c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $107c at:
7390be93 +00 clr.dll

thread $99c:
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
60ddcb57 +00 comsvcs.dll

thread $13fc:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $948:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $1294 at:
6137fc3b +00 libcef.dll

thread $20:
75e02d54 +24 KERNELBASE.dll            GetQueuedCompletionStatus
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
67b5280f +00 System.Data.dll

thread $1018:
75dc2cc1 +0b1 KERNELBASE.dll            WaitForSingleObjectEx
004b42ad +00d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +032 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +022 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
6b863451 +241 rasman.dll                RasAddNotification

thread $37c:
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7390be93 +00 clr.dll

thread $74c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7562808b +6b msvcrt.dll                _beginthreadex

thread $129c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7562808b +6b msvcrt.dll                _beginthreadex

thread $f80: <priority:-1>
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7562808b +6b msvcrt.dll                _beginthreadex

thread $1154:
75dd28bd +000 KERNELBASE.dll            WaitForMultipleObjectsEx
777adcbd +15d USER32.dll                MsgWaitForMultipleObjectsEx
004b42ad +00d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +032 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +022 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
5dc09787 +000 MSHTML.dll

thread $127c: <priority:-1>
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7562808b +6b msvcrt.dll                _beginthreadex

thread $1298:
75dd28bd +000 KERNELBASE.dll            WaitForMultipleObjectsEx
777adcbd +15d USER32.dll                MsgWaitForMultipleObjectsEx
004b42ad +00d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +032 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +022 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $1154 at:
5dc09787 +000 MSHTML.dll

thread $1010:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
7562808b +6b msvcrt.dll                _beginthreadex

thread $131c:
75dd28bd +000 KERNELBASE.dll            WaitForMultipleObjectsEx
777adcbd +15d USER32.dll                MsgWaitForMultipleObjectsEx
004b42ad +00d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +032 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +022 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $1154 at:
5dc09787 +000 MSHTML.dll

thread $121c:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
75dc2bfd +0d KERNELBASE.dll            WaitForSingleObject
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
5dc09787 +00 MSHTML.dll

thread $ad4: <priority:15>
75dd28bd +00 KERNELBASE.dll            WaitForMultipleObjectsEx
754e7b83 +13 KERNEL32.DLL              WaitForMultipleObjects
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by main thread ($42c) at:
5dc06f90 +00 MSHTML.dll

thread $1234:
754e7c02 +22 KERNEL32.DLL  BaseThreadInitThunk

thread $1310:
75dc2cc1 +b1 KERNELBASE.dll            WaitForSingleObjectEx
004b42ad +0d MyProgram.exe madExcept CallThreadProcSafe
004b4312 +32 MyProgram.exe madExcept ThreadExceptFrame
754e7c02 +22 KERNEL32.DLL              BaseThreadInitThunk
>> created by thread $e9c at:
7390be93 +00 clr.dll

cpu registers:
eax = 5ac03308
ebx = 5ac03308
ecx = 2a59eaa5
edx = 00000000
esi = 5ac03308
edi = 119810fc
eip = 0064e033
esp = 0018e3e4
ebp = 0018e414

stack dump:
0018e3e4  08 33 c0 5a 5e e0 64 00 - 44 06 13 00 52 7f 75 00  .3.Z^.d.D...R.u.
0018e3f4  68 e4 18 00 04 b2 40 00 - 14 e4 18 00 da 00 b7 0f  h.....@.........
0018e404  07 00 00 00 fc 10 98 11 - 07 00 00 00 c8 6f 9c 11  .............o..
0018e414  60 e4 18 00 57 ad 64 00 - 07 00 00 00 07 00 00 00  `...W.d.........
0018e424  cc a4 40 00 4c e4 18 00 - db a4 40 00 44 e4 18 00  ..@.L.....@.D...
0018e434  c8 6f 9c 11 1c ef c9 04 - c8 6f 9c 11 68 bf a9 16  .o.......o..h...
0018e444  98 e4 18 00 cd 9d 40 00 - a0 e4 18 00 c8 6f 9c 11  ......@......o..
0018e454  1c ef c9 04 d0 e4 18 00 - c8 6f 9c 11 98 e4 18 00  .........o......
0018e464  f4 f1 f1 00 a0 e4 18 00 - 04 b2 40 00 98 e4 18 00  ..........@.....
0018e474  07 00 00 00 c8 6f 9c 11 - 8b 96 7a 77 00 00 00 00  .....o....zw....
0018e484  00 00 00 00 29 0e 41 2a - 68 bf a9 16 d0 e4 18 00  ....).A*h.......
0018e494  c8 6f 9c 11 c8 e4 18 00 - 8f a7 64 00 ac e4 18 00  .o........d.....
0018e4a4  04 b2 40 00 c8 e4 18 00 - 90 e5 18 00 d4 af 40 00  ..@...........@.
0018e4b4  c8 e4 18 00 da 00 b7 0f - 07 00 00 00 00 00 00 00  ................
0018e4c4  c8 6f 9c 11 e0 e4 18 00 - 1e dd 54 00 07 00 00 00  .o........T.....
0018e4d4  ae 02 0a 00 00 00 00 00 - 00 00 00 00 0c e5 18 00  ................
0018e4e4  71 8e 7a 77 02 06 02 00 - 07 00 00 00 ae 02 0a 00  q.zw............
0018e4f4  00 00 00 00 07 00 00 00 - cd ab ba dc 00 00 00 00  ................
0018e504  da 00 b7 0f 07 00 00 00 - a0 e5 18 00 d1 90 7a 77  ..............zw
0018e514  da 00 b7 0f 02 06 02 00 - 07 00 00 00 ae 02 0a 00  ................

disassembling:
[...]
00b5401a        call    -$505fcb ($64e054)     ; Vcl.Controls.TWinControl.GetHandle
00b5401f        push    eax
00b54020        call    -$738f2d ($41b0f8)     ; Winapi.Windows.PostMessage
00b54025 1092   mov     edx, esi
00b54027        mov     eax, ebx
00b54029      > call    -$3fed3e ($7552f0)     ; Vcl.Forms.TCustomForm.WndProc
00b5402e 1093   pop     esi
00b5402f        pop     ebx
00b54030        ret

异常类：EAccessViolation
异常消息：“MyProgram.exe”模块中的Zugriffsverletzung bei Adresse 0064E033。Lesen von Adrese 5AC03580。
主线（42美元）：
0064e033+003 MyProgram.exe Vcl.Controls TWinControl.HandleNeeded
0064e059+005 MyProgram.exe Vcl.Controls TWinControl.GetHandle
00757f4d+16d MyProgram.exe Vcl.Forms TCustomForm.SetFocusedControl
0064ad51+1cd MyProgram.exe Vcl.Controls TWinControl.WndProc
00f1f1ef+13b MyProgram.exe cxControls TcxControl.WndProc
0064a78c+02c MyProgram.exe Vcl.Controls TWinControl.MainWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
77c40594+034 ntdll.dll KiUserCallbackDispatcher
00755490+1a0 MyProgram.exe Vcl.Forms TCustomForm.WndProc
00b54029+03d MyProgram.exe Frm_MDIChildVorlage 1092+15 TForm_MDIChildVorlage.WndProc
0064a78c+02c MyProgram.exe Vcl.Controls TWinControl.MainWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
77c40594+034 ntdll.dll KiUserCallbackDispatcher
777ad6c0+090 USER32.dll调用WindowProcW
0075596a+03a MyProgram.exe Vcl.Forms默认值
00755b95+1d9 MyProgram.exe Vcl.Forms TCustomForm.ClientWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
777ad6c0+090 USER32.dll调用WindowProcW
02302e82+0ea MyProgram.exe Frm_MainVorlage 1251+22 TForm_MainVorlage.ClientWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
777ad6c0+090 USER32.dll调用WindowProcW
0084819e+2d6 MyProgram.exe advMenu 2933+63 MDIClientWndProc
77c40594+034 ntdll.dll KiUserCallbackDispatcher
777c8f63+013 USER32.dll DefMDIChildProcW
777ad6c0+090 USER32.dll调用WindowProcW
0064b27e+0e6 MyProgram.exe Vcl.Controls TWinControl.DefaultHandler
00757c46+05a MyProgram.exe Vcl.Forms TCustomForm.DefaultHandler
0064662d+2bd MyProgram.exe Vcl.Controls TControl.WndProc
0064b16d+5e9 MyProgram.exe Vcl.Controls TWinControl.WndProc
0075591c+62c MyProgram.exe Vcl.Forms TCustomForm.WndProc
00b54029+03d MyProgram.exe Frm_MDIChildVorlage 1092+15 TForm_MDIChildVorlage.WndProc
0064a78c+02c MyProgram.exe Vcl.Controls TWinControl.MainWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
77c40594+034 ntdll.dll KiUserCallbackDispatcher
777ad6c0+090 USER32.dll调用WindowProcW
0075596a+03a MyProgram.exe Vcl.Forms默认值
00755b95+1d9 MyProgram.exe Vcl.Forms TCustomForm.ClientWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
777ad6c0+090 USER32.dll调用WindowProcW
02302e82+0ea MyProgram.exe Frm_MainVorlage 1251+22 TForm_MainVorlage.ClientWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
777ad6c0+090 USER32.dll调用WindowProcW
0084819e+2d6 MyProgram.exe advMenu 2933+63 MDIClientWndProc
77c40594+034 ntdll.dll KiUserCallbackDispatcher
777b2b34+134 USER32.dll SendMessageW
00757bd2+042 MyProgram.exe Vcl.Forms TCustomForm.DestroyWindowHandle
007544d7+073 MyProgram.exe Vcl.Forms TCustomForm.Destroy
00409df0+008 MyProgram.exe系统173+0 ToObject.Free
00759c74+000 MyProgram.exe Vcl.Forms TCustomForm.CMRelease
0064662d+2bd MyProgram.exe Vcl.Controls TControl.WndProc
0064b16d+5e9 MyProgram.exe Vcl.Controls TWinControl.WndProc
0075591c+62c MyProgram.exe Vcl.Forms TCustomForm.WndProc
00b54029+03d MyProgram.exe Frm_MDIChildVorlage 1092+15 TForm_MDIChildVorlage.WndProc
0064a78c+02c MyProgram.exe Vcl.Controls TWinControl.MainWndProc
0054dd1c+014 MyProgram.exe System.Classes StdWndProc
777aa67b+00b USER32.dll DispatchMessageW
0075ef77+0f3 MyProgram.exe Vcl.Forms TApplication.ProcessMessage
0075efba+00a MyProgram.exe Vcl.Forms TApplication.HandleMessage
0075f2ed+0c9 MyProgram.exe Vcl.Forms TApplication.Run
02371231+241 MyProgram.exe REPDOC_Main 1003+53初始化
754e7c02+022 KERNEL32.DLL BaseThreadInitThunk
线程$89c：
754e7c02+22 KERNEL32.DLL BaseThreadInitThunk
线程$1fc：
754e7c02+22 KERNEL32.DLL BaseThreadInitThunk
线程$3dc：
75e02d54+24 KERNELBASE.dll GetQueuedCompletionStatus
004b42ad+0d MyProgram.exe MadCallThreadProcSafe除外
004b4312+32 MyProgram.exe MadThreadExceptFrame除外
754e7c02+22 KERNEL32.DLL BaseThreadInitThunk
>>由主线程创建（$42c），位于：
623ac11a+00 libcef.dll
线程$1150：
754e7c02+22 KERNEL32.DLL BaseThreadInitThunk
线程$ca4：
75e02d54+24 KERNELBASE.dll
Vcl.Controls.pas.12079: begin
005659FC 56               push esi
005659FD 8BF0             mov esi,eax
Vcl.Controls.pas.12080: if WindowHandle = 0 then
005659FF 83BE7802000000   cmp dword ptr [esi+$00000278],$00
00565A06 7516             jnz $00565a1e

if WindowHandle = 0 then