even tough I disabled the wenbox plugin:

$ grep wenbox ~/.wengophone/config.xml
<wenbox.enable><bool>0</bool></wenbox.enable>
$

it still gets loaded, with tragic results (that's not in QtWengoPhone, but in the DBus extension)

(debug) 17:20:11 virtual void FileReader::close(): file=/home/shackan/.wengophone/profiles/shackan@gmail.com/userprofile.xml loaded
(debug) 17:20:11 virtual void FileReader::close(): file=/home/shackan/.wengophone/profiles/shackan@gmail.com/userprofile.xml loaded
(debug) 17:20:11 virtual void FileReader::close(): file=/home/shackan/.wengophone/profiles/shackan@gmail.com/imaccounts.xml loaded
(debug) 17:20:11 virtual void FileReader::close(): file=/home/shackan/.wengophone/profiles/shackan@gmail.com/imaccounts.xml loaded
(debug) 17:20:11 virtual void FileReader::close(): file=/home/shackan/.wengophone/profiles/shackan@gmail.com/contactlist.xml loaded
(debug) 17:20:11 virtual void FileReader::close(): file=/home/shackan/.wengophone/profiles/shackan@gmail.com/contactlist.xml loaded
(debug) 17:20:11 void UserProfileHandler::setCurrentUserProfile(const std::string&, const WengoAccount&): No current UserProfile set. Change now
(debug) 17:20:11 Wenbox::Wenbox(): Wenbox dll loaded

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1278305360 (LWP 31968)]
0xb7c40827 in Wenbox (this=0x80c6c28) at libs/wenbox/src/Wenbox.cpp:50
50                      _wenboxPrivate->setKeyPressedCallback(Wenbox::keyPressedCallback, this);
(gdb) bt
#0  0xb7c40827 in Wenbox (this=0x80c6c28) at libs/wenbox/src/Wenbox.cpp:50
#1  0xb7bc5973 in WenboxPlugin (this=0x80bf408, userProfile=@0x80babe0) at wengophone/src/model/wenbox/WenboxPlugin.cpp:40
#2  0xb7b49f52 in UserProfile::init (this=0x80babe0) at wengophone/src/model/profile/UserProfile.cpp:139
#3  0xb7b5c201 in UserProfileHandler::initializeCurrentUserProfile (this=0x80c3040) at wengophone/src/model/profile/UserProfileHandler.cpp:231
#4  0xb7b5c851 in UserProfileHandler::setCurrentUserProfile (this=0x80c3040, name=@0xb3ce92ec, wengoAccount=@0xb7ea5c40)
    at wengophone/src/model/profile/UserProfileHandler.cpp:176
#5  0xb7b5ce50 in UserProfileHandler::init (this=0x80c3040) at wengophone/src/model/profile/UserProfileHandler.cpp:255
#6  0xb7ae1097 in WengoPhone::init (this=0x80af878) at wengophone/src/model/WengoPhone.cpp:134
#7  0xb7ae10ee in WengoPhone::run (this=0x80af878) at wengophone/src/model/WengoPhone.cpp:141
#8  0xb72aaa62 in boost::_mfi::mf0<void, Thread>::operator() (this=0x80c3318, p=0x80af878) at mem_fn_template.hpp:45
#9  0xb72aac78 in boost::_bi::list1<boost::_bi::value<Thread*> >::operator()<boost::_mfi::mf0<void, Thread>, boost::_bi::list0> (this=0x80c3320,
    f=@0x80c3318, a=@0xb3ce93c6) at bind.hpp:229
#10 0xb72aacbb in boost::_bi::bind_t<void, boost::_mfi::mf0<void, Thread>, boost::_bi::list1<boost::_bi::value<Thread*> > >::operator() (this=0x80c3318)
    at bind_template.hpp:20
#11 0xb72aacd5 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, Thread>, boost::_bi::list1<boost::_bi::value<Thread*> > >, void>::invoke (function_obj_ptr={obj_ptr = 0x80c3318, const_obj_ptr = 0x80c3318, func_ptr = 0x80c3318, data = "\030"})
    at function_template.hpp:136
#12 0xb6f1583d in boost::thread_group::create_thread () from /usr/lib/libboost_thread-gcc-mt-1_33_1.so.1.33.1
#13 0xb6444341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#14 0xb6fe24ee in clone () from /lib/tls/i686/cmov/libc.so.6
(gdb)