windows phone 8 - TaskHost.exe' has exited with code -2147220717 (0x80040313) -

windows phone 8 - TaskHost.exe' has exited with code -2147220717 (0x80040313) -

i've navigate next page , navigate in windows phone 8, if 5 or 6 times app crashed , output windows shows "taskhost.exe has exited code -2147220717 (0x80040313)". don't know why happening. if knows please suggest me. argent.

//////////////// mainpage /////////////////

protected override void onnavigatedfrom(navigationeventargs e) { base.onnavigatedfrom(e); } protected override void onnavigatedto(navigationeventargs e) { base.onnavigatedto(e); app app=app.current app; if (app.isfromfavouritepage) { showstoryboard.begin(); app.isfromfavouritepage = false; mainviewmodel mvm = datacontext mainviewmodel; mvm.ringtonecollection.clear(); mvm.ringtonecollection = checkfavouriteringtone(app.collectionofringtone, app.collectionofringtone[0].category_ringtone_id.tostring()); applicationbar.isvisible = true; } } private void favlistbutton_click(object sender, routedeventargs e) { mainviewmodel mvm = datacontext mainviewmodel; app app = app.current app; app.collectionofringtone.clear(); foreach (ringtoneclass aringtone in mvm.ringtonecollection) { app.collectionofringtone.add(aringtone); } list<ringtoneclass> listoffavouriteringtone = selectallfromdb(); if (listoffavouriteringtone != null && listoffavouriteringtone.count > 0) { app.ispopular = ispopular; navigationservice.navigate(new uri("/favouritepage.xaml", urikind.relative)); } } ///////////////// next page (favouritepage) /////////////////////////////////////////// private void backimagebutton_tap(object sender, system.windows.input.gestureeventargs e) { app = app.current app; app.isfromfavouritepage = true; navigationservice.navigate(new uri("/mainpage.xaml", urikind.relative)); } protected override void onbackkeypress(system.componentmodel.canceleventargs e) { base.onbackkeypress(e); app = app.current app; app.isfromfavouritepage = true; navigationservice.navigate(new uri("/mainpage.xaml", urikind.relative)); }

//////////////////// output debug ///////////// 'taskhost.exe' (win32): loaded '\device\harddiskvolume27\windows\system32\webbrowsercontrolres.dll'. module built without symbols. 'taskhost.exe' (win32): unloaded '\device\harddiskvolume27\windows\system32\webbrowsercontrolres.dll' 'taskhost.exe' (win32): loaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll'. module built without symbols. 'taskhost.exe' (win32): unloaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll' 'taskhost.exe' (win32): loaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll'. module built without symbols. 'taskhost.exe' (win32): unloaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll' 'taskhost.exe' (win32): loaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll'. module built without symbols. 'taskhost.exe' (win32): unloaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll' 'taskhost.exe' (win32): loaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll'. module built without symbols. 'taskhost.exe' (win32): unloaded '\device\harddiskvolume27\windows\system32\uixmobileassets480x800.dll' first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: legacyhelper::apiexception @ memory location 0x0c57f658. first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: legacyhelper::apiexception @ memory location 0x0c57f230. first-chance exception @ 0x76fc1edb (kernelbase.dll) in taskhost.exe: 0xe0434352 (parameters: 0x80131501, 0x00000000, 0x00000000, 0x00000000, 0x70150000). thread 0xe34 has exited code 0 (0x0). first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: js::javascriptexceptionobject @ memory location 0x0c57d7a8. first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: js::javascriptexceptionobject @ memory location 0x0c57d498. first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: js::javascriptexceptionobject @ memory location 0x0c57d188. first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: js::javascriptexceptionobject @ memory location 0x0c57dad0. first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: js::javascriptexceptionobject @ memory location 0x0c57ebf8. first-chance exception @ 0x76fc1edb in taskhost.exe: microsoft c++ exception: legacyhelper::apiexception @ memory location 0x0c57df08. thread 0xe08 has exited code -2147220717 (0x80040313). thread 0x7b0 has exited code -2147220717 (0x80040313). thread 0xf18 has exited code -2147220717 (0x80040313). thread 0x424 has exited code -2147220717 (0x80040313). thread 0x2a8 has exited code -2147220717 (0x80040313). thread 0x960 has exited code -2147220717 (0x80040313). thread 0xab4 has exited code -2147220717 (0x80040313). thread 0xdc has exited code -2147220717 (0x80040313). thread 0x200 has exited code -2147220717 (0x80040313). thread 0xe78 has exited code -2147220717 (0x80040313). thread 0xf4c has exited code -2147220717 (0x80040313). thread 0xf68 has exited code -2147220717 (0x80040313). thread 0x6a8 has exited code -2147220717 (0x80040313). thread 0xf34 has exited code -2147220717 (0x80040313). thread 0x294 has exited code -2147220717 (0x80040313). thread 0xb50 has exited code -2147220717 (0x80040313). thread 0xf54 has exited code -2147220717 (0x80040313). thread 0x838 has exited code -2147220717 (0x80040313). thread 0xea8 has exited code -2147220717 (0x80040313). thread 0x7dc has exited code -2147220717 (0x80040313). thread 0xb30 has exited code -2147220717 (0x80040313). thread 0x10c has exited code -2147220717 (0x80040313). thread 0x40c has exited code -2147220717 (0x80040313). thread 0xd44 has exited code -2147220717 (0x80040313). thread 0x658 has exited code -2147220717 (0x80040313). thread 0x210 has exited code -2147220717 (0x80040313). thread 0xc64 has exited code -2147220717 (0x80040313). thread 0xbc4 has exited code -2147220717 (0x80040313). thread 0xf58 has exited code -2147220717 (0x80040313). thread 0xd68 has exited code -2147220717 (0x80040313). thread 0xdc4 has exited code -2147220717 (0x80040313). thread 0x9ac has exited code -2147220717 (0x80040313). thread 0x378 has exited code -2147220717 (0x80040313). thread 0x618 has exited code -2147220717 (0x80040313). thread 0x434 has exited code -2147220717 (0x80040313). thread 0x78 has exited code -2147220717 (0x80040313). thread 0xef8 has exited code -2147220717 (0x80040313). thread 0xf5c has exited code -2147220717 (0x80040313). thread 0x880 has exited code -2147220717 (0x80040313). thread 0x958 has exited code -2147220717 (0x80040313). thread 0x898 has exited code -2147220717 (0x80040313). thread 0xbd8 has exited code -2147220717 (0x80040313). thread 0x978 has exited code -2147220717 (0x80040313). thread 0xc8c has exited code -2147220717 (0x80040313). thread 0xd54 has exited code -2147220717 (0x80040313). thread 0xc68 has exited code -2147220717 (0x80040313). thread 0xcf4 has exited code -2147220717 (0x80040313). thread 0xfb4 has exited code -2147220717 (0x80040313). thread 0xc7c has exited code -2147220717 (0x80040313). thread 0x2b4 has exited code -2147220717 (0x80040313). thread 0xf94 has exited code -2147220717 (0x80040313). thread 0x30 has exited code -2147220717 (0x80040313). thread 0xf84 has exited code -2147220717 (0x80040313). thread 0xa54 has exited code -2147220717 (0x80040313). thread 0x820 has exited code -2147220717 (0x80040313). thread 0x92c has exited code -2147220717 (0x80040313). thread 0x1a8 has exited code -2147220717 (0x80040313). thread 0xe0c has exited code -2147220717 (0x80040313). thread 0xd28 has exited code -2147220717 (0x80040313). thread 0xa00 has exited code -2147220717 (0x80040313). thread 0xf38 has exited code -2147220717 (0x80040313). thread 0xd70 has exited code -2147220717 (0x80040313). thread 0xdd4 has exited code -2147220717 (0x80040313). thread 0xf50 has exited code -2147220717 (0x80040313). thread 0x9cc has exited code -2147220717 (0x80040313). thread 0xb0c has exited code -2147220717 (0x80040313). thread 0x3e4 has exited code -2147220717 (0x80040313). thread 0x8c has exited code -2147220717 (0x80040313). thread 0xcc8 has exited code -2147220717 (0x80040313). thread 0x848 has exited code -2147220717 (0x80040313). thread 0xb04 has exited code -2147220717 (0x80040313). thread 0xf90 has exited code -2147220717 (0x80040313). thread 0xe6c has exited code -2147220717 (0x80040313). programme '[3700] taskhost.exe' has exited code -2147220717 (0x80040313).

windows-phone-8