KernelBase.dll!7634a882() Unknown [Frames below may be incorrect and/or missing, no symbols loaded for KernelBase.dll] [External Code] FsDomNodeFirefox.dll!662acfe2() Unknown FsDomNodeFirefox.dll!662ad35c() Unknown FsDomNodeFirefox.dll!662b04dd() Unknown [External Code] FsDomNodeFirefox.dll!662a2660() Unknown FsDomNodeFirefox.dll!662a0596() Unknown FsDomNodeFirefox.dll!66297429() Unknown FsDomNodeFirefox.dll!6629b1d2() Unknown FsDomNodeFirefox.dll!66299a88() Unknown FsDomNodeFirefox.dll!66297d23() Unknown [External Code] FsDomSrv.dll!621c13a6() Unknown [External Code] FsDomSrv.dll!621bead5() Unknown [External Code] FsDomSrv.dll!621bf048() Unknown > FsDomSrv.dll!621bf05a() Unknown FsDomSrv.dll!62162f50() Unknown xul.dll!mozilla::net::AltSvcOverride::Release() Line 1105 C++ xul.dll!nsContentUtils::AddScriptRunner(already_AddRefed<nsIRunnable> aRunnable) Line 5335 C++ [External Code] xul.dll!nsGlobalWindow::UpdateCommands(const nsAString_internal & anAction, nsISelection * aSel, short aReason) Line 9913 C++ xul.dll!mozilla::dom::WindowBinding::updateCommands(JSContext * cx, JS::Handle<JSObject *> obj, nsGlobalWindow * self, const JSJitMethodCallArgs & args) Line 5281 C++ xul.dll!mozilla::dom::WindowBinding::genericMethod(JSContext * cx, unsigned int argc, JS::Value * vp) Line 15664 C++ xul.dll!js::InternalCallOrConstruct(JSContext * cx, const JS::CallArgs & args, js::MaybeConstruct construct) Line 448 C++ xul.dll!InternalCall(JSContext * cx, const js::AnyInvokeArgs & args) Line 493 C++ xul.dll!js::Call(JSContext * cx, JS::Handle<JS::Value> fval, JS::Handle<JS::Value> thisv, const js::AnyInvokeArgs & args, JS::MutableHandle<JS::Value> rval) Line 512 C++ xul.dll!js::Wrapper::call(JSContext * cx, JS::Handle<JSObject *> proxy, const JS::CallArgs & args) Line 165 C++ xul.dll!js::ProxyGetProperty(JSContext * cx, JS::Handle<JSObject *> proxy, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) Line 332 C++ [External Code]

I know what this code means, but unfortunately this stack doesn't have enough frames to give me sufficient information. Can you try to capture another stack with all possible frames, please?

Hmm , not sure this is correct but here's another one: KernelBase.dll!7562a882() Unknown [Frames below may be incorrect and/or missing, no symbols loaded for KernelBase.dll] [External Code] > xul.dll!mozilla::widget::WinUtils::PeekMessageW(tagMSG * aMsg, HWND__ * aWnd, unsigned int aFirstMessage, unsigned int aLastMessage, unsigned int aOption) Line 693 C++ xul.dll!nsAppShell::ProcessNextNativeEvent(bool mayWait) Line 353 C++ xul.dll!nsBaseAppShell::DoProcessNextNativeEvent(bool mayWait) Line 139 C++ xul.dll!nsBaseAppShell::OnProcessNextEvent(nsIThreadInternal * thr, bool mayWait) Line 289 C++ xul.dll!nsThread::ProcessNextEvent(bool aMayWait, bool * aResult) Line 1228 C++ xul.dll!NS_ProcessNextEvent(nsIThread * aThread, bool aMayWait) Line 389 C++ xul.dll!mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate * aDelegate) Line 124 C++ xul.dll!MessageLoop::RunHandler() Line 232 C++ xul.dll!MessageLoop::Run() Line 212 C++ xul.dll!nsBaseAppShell::Run() Line 158 C++ xul.dll!nsAppShell::Run() Line 265 C++ xul.dll!nsAppStartup::Run() Line 284 C++ xul.dll!XREMain::XRE_mainRun() Line 4492 C++ xul.dll!XREMain::XRE_main(int argc, char * * argv, const mozilla::BootstrapConfig & aConfig) Line 4670 C++ xul.dll!XRE_main(int argc, char * * argv, const mozilla::BootstrapConfig & aConfig) Line 4761 C++ xul.dll!mozilla::BootstrapImpl::XRE_main(int argc, char * * argv, const mozilla::BootstrapConfig & aConfig) Line 45 C++ firefox.exe!do_main(int argc, char * * argv, char * * envp) Line 237 C++ firefox.exe!NS_internal_main(int argc, char * * argv, char * * envp) Line 309 C++ firefox.exe!wmain(int argc, wchar_t * * argv) Line 118 C++ [External Code]