Access violation in win32k!UserSearchForCallProc during zz_thunderbird_2.0.0.18:2.SendMail

Entered debugger on last-chance exception (Exception Code: 0xc0000005) (Page Fault)

Memory at 0x0000001B could not be read: Page not present.

kdb:>

 bt

Eip:

<win32k.sys:2feae (win32ss/user/ntuser/callproc.c:94 (UserSearchForCallProc))>

Frames:

<win32k.sys:2fef2 (win32ss/user/ntuser/callproc.c:131 (UserGetCPD))>

<win32k.sys:2ffde (win32ss/user/ntuser/callproc.c:192 (NtUserGetCPD))>

<NTOSKRNL.EXE:128d6e (ntoskrnl/include/internal/i386/ke.h:712 (KiSystemServiceHandler))>

<NTOSKRNL.EXE:3da9 (:0 (KiFastCallEntry))>

<ntdll.dll:cb7d (:0 (KiIntSystemCall))>

<user32.dll:33d51 (win32ss/user/user32/windows/class.c:1125 (IntGetWindowLong))>

<user32.dll:33e03 (win32ss/user/user32/windows/class.c:1153 (GetWindowLongW))>

<thunderbird.exe:1374c3 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/widget/src/windows/nsWindow.cpp (nsWindow::DispatchStarvedPaints))>

<user32.dll:5c580 (win32ss/user/user32/windows/window.c:770 (EnumWindows))>

<user32.dll:5c5a3 (win32ss/user/user32/windows/window.c:743 (EnumChildWindows))>

<thunderbird.exe:137558 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/widget/src/windows/nsWindow.cpp:4431 (nsWindow::DispatchPendingEvents))>

<thunderbird.exe:1382a0 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/widget/src/windows/nsWindow.cpp:4920 (nsWindow::ProcessMessage))>

<thunderbird.exe:134d6c (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/widget/src/windows/nsWindow.cpp:1507 (nsWindow::WindowProc))>

<user32.dll:60d89 (:0 (CALL_EXTERN_WNDPROC))>

<user32.dll:54eab (win32ss/user/user32/windows/message.c:1521 (IntCallWindowProcW))>

<user32.dll:552b4 (win32ss/user/user32/windows/message.c:1767 (IntCallMessageProc))>

<user32.dll:55a01 (win32ss/user/user32/windows/message.c:2020 (DispatchMessageW))>

<thunderbird.exe:140e7c (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/widget/src/windows/nsAppShell.cpp:220 (nsAppShell::DispatchNativeEvent))>

<thunderbird.exe:3b93d1 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/xpfe/appshell/src/nsContentTreeOwner.cpp:477 (nsContentTreeOwner::ShowAsModal))>

<thunderbird.exe:33c425 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/embedding/components/windowwatcher/src/nsWindowWatcher.cpp:478 (nsWindowWatcher::OpenWindow))>

<thunderbird.exe:34c6c3 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/embedding/components/windowwatcher/src/nsPromptService.cpp:659 (nsPromptService::DoDialog))>

<thunderbird.exe:34c30d (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/embedding/components/windowwatcher/src/nsPromptService.cpp:540 (nsPromptService::PromptPassword))>

<thunderbird.exe:34ae31 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/embedding/components/windowwatcher/src/nsPrompt.cpp:356 (nsPrompt::PromptPassword))>

<thunderbird.exe:5a6b46 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/extensions/wallet/src/singsign.cpp:461 (si_CheckGetPassword))>

<thunderbird.exe:5a6a45 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/extensions/wallet/src/singsign.cpp:2719 (SINGSIGN_PromptPassword))>

<thunderbird.exe:5a3255 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/extensions/wallet/src/nsWalletService.cpp:590 (nsSingleSignOnPrompt::PromptPassword))>

<thunderbird.exe:55edd4 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/mailnews/base/util/nsMsgIncomingServer.cpp:893 (nsMsgIncomingServer::GetPasswordWithUI))>

<thunderbird.exe:573400 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/mailnews/local/src/nsPop3Protocol.cpp:753 (nsPop3Protocol::GetPassword))>

<thunderbird.exe:575130 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/mailnews/local/src/nsPop3Protocol.cpp:1746 (nsPop3Protocol::SendUsername))>

<thunderbird.exe:577ce8 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/mailnews/local/src/nsPop3Protocol.cpp:3776 (nsPop3Protocol::ProcessProtocolState))>

<thunderbird.exe:55484b (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/mailnews/base/util/nsMsgProtocol.cpp:350 (nsMsgProtocol::OnDataAvailable))>

<thunderbird.exe:8f187 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/netwerk/base/src/nsInputStreamPump.cpp:494 (nsInputStreamPump::OnStateTransfer))>

<thunderbird.exe:8f033 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/netwerk/base/src/nsInputStreamPump.cpp:397 (nsInputStreamPump::OnInputStreamReady))>

<xpcom_core.dll:209c6 (e:/builds/tinderbox/Tb-Mozilla1.8-Release/WINNT_5.0_Depend/mozilla/xpcom/io/nsStreamUtils.cpp:120 (nsOutputStreamReadyEvent::EventHandler))>

<778b0c24>

Couldn't access memory at 0x7C8B575A!