Crash on closing a project with MSA

Ugene crashes when closing a project with MSA view opened.
Steps to reproduce:
1) Start Ugene, open an MSA (e.g. _common_data\scenarios\msa\ma2_gapped.aln)
2) Menu File->Close Project
3) Press No in the Save current project dialog

msvcr100d.dll!_free_dbg_nolock(void * pUserData, int nBlockUse) Line 1376 + 0x3b bytes C++
msvcr100d.dll!_free_dbg(void * pUserData, int nBlockUse) Line 1265 + 0xd bytes C++
msvcr100d.dll!operator delete(void * pUserData) Line 54 + 0x10 bytes C++
> U2Formatsd.dll!U2::MAlignmentObject::`scalar deleting destructor'() + 0x21 bytes C++
QtCored4.dll!QObjectPrivate::deleteChildren() Line 1908 + 0x24 bytes C++
QtCored4.dll!QObject::~QObject() Line 929 C++
U2Cored.dll!U2::StateLockableItem::~StateLockableItem() Line 45 + 0x1f bytes C++
U2Cored.dll!U2::StateLockableTreeItem::~StateLockableTreeItem() Line 110 + 0x1e bytes C++
U2Cored.dll!U2::Document::~Document() Line 295 + 0x5c bytes C++
U2Cored.dll!U2::Document::`vector deleting destructor'() + 0x4d bytes C++
ugeneuid.exe!U2::ProjectImpl::~ProjectImpl() Line 66 + 0x21 bytes C++
ugeneuid.exe!U2::ProjectImpl::`scalar deleting destructor'() + 0xf bytes C++
ugeneuid.exe!U2::ProjectServiceImpl::~ProjectServiceImpl() Line 61 + 0x24 bytes C++
ugeneuid.exe!U2::ProjectServiceImpl::`scalar deleting destructor'() + 0xf bytes C++
U2Privated.dll!U2::UnregisterServiceTask::report() Line 275 + 0x27 bytes C++
U2Privated.dll!U2::TaskSchedulerImpl::processFinishedTasks() Line 169 + 0x13 bytes C++
U2Privated.dll!U2::TaskSchedulerImpl::update() Line 386 + 0x8 bytes C++
U2Privated.dll!U2::TaskSchedulerImpl::qt_static_metacall(QObject * _o, QMetaObject::Call _c, int _id, void * * _a) Line 51 + 0x8 bytes C++
QtCored4.dll!QMetaObject::activate(QObject * sender, const QMetaObject * m, int local_signal_index, void * * argv) Line 3547 + 0x2e bytes C++
QtCored4.dll!QTimer::timeout() Line 148 + 0x12 bytes C++
QtCored4.dll!QTimer::timerEvent(QTimerEvent * e) Line 282 C++
QtCored4.dll!QObject::event(QEvent * e) Line 1158 C++
QtGuid4.dll!QApplicationPrivate::notify_helper(QObject * receiver, QEvent * e) Line 4551 + 0x11 bytes C++
QtGuid4.dll!QApplication::notify(QObject * receiver, QEvent * e) Line 3933 + 0x10 bytes C++
ugeneuid.exe!GApplication::notify(QObject * receiver, QEvent * event) Line 215 + 0x11 bytes C++
QtCored4.dll!QCoreApplication::notifyInternal(QObject * receiver, QEvent * event) Line 915 + 0x15 bytes C++
QtCored4.dll!QCoreApplication::sendEvent(QObject * receiver, QEvent * event) Line 231 + 0x39 bytes C++
QtCored4.dll!QEventDispatcherWin32::event(QEvent * e) Line 1136 + 0x10 bytes C++
QtGuid4.dll!QApplicationPrivate::notify_helper(QObject * receiver, QEvent * e) Line 4551 + 0x11 bytes C++
QtGuid4.dll!QApplication::notify(QObject * receiver, QEvent * e) Line 3933 + 0x10 bytes C++
ugeneuid.exe!GApplication::notify(QObject * receiver, QEvent * event) Line 215 + 0x11 bytes C++
QtCored4.dll!QCoreApplication::notifyInternal(QObject * receiver, QEvent * event) Line 915 + 0x15 bytes C++
QtCored4.dll!QCoreApplication::sendEvent(QObject * receiver, QEvent * event) Line 231 + 0x39 bytes C++
QtCored4.dll!QCoreApplicationPrivate::sendPostedEvents(QObject * receiver, int event_type, QThreadData * data) Line 1539 + 0xd bytes C++