I am facing the same issue: frequent crashes. Here´s my exception.info:
Code: c0000005 (Access violation)
Version: 1.3.1 (Mar 9 2010)
Major: 5
Minor: 1
Build: 2600
SP: 3
Type: 1
Time: 2010-04-02 09:07:19
TTH: OYWWKM7ZMQ26OHRT4WCVZW4IULG5ZL4E4RBMRTA
f:\dd\vctools\crt_bld\SELF_X86\crt\src\Intel\MEMCPY.ASM(188): memmove
c:\program files (x86)\stlport\stlport\stl\_algobase.h(228): stlp_std::priv::__copy_trivial
c:\program files (x86)\stlport\stlport\stl\_vector.c(200): stlp_std::vector<dcpp::UpdaterListener *=0x04D4FC20,stlp_std::allocator<dcpp::UpdaterListener *> >::operator=
c:\data\svn\1.3.x\client\client.h(99): dcpp::Client::updated
c:\data\svn\1.3.x\client\cheatmanager.h(241): dcpp::ClientManager::setListSize
c:\data\svn\1.3.x\client\downloadmanager.cpp(233): dcpp::DownloadManager::startData
c:\data\svn\1.3.x\client\downloadmanager.cpp(217): dcpp::DownloadManager::on
c:\data\svn\1.3.x\client\adccommand.h(204): dcpp::CommandHandler<dcpp::UserConnection>::dispatch
c:\data\svn\1.3.x\client\userconnection.cpp(65): dcpp::UserConnection::on
c:\data\svn\1.3.x\client\speaker.h(49): dcpp::Speaker<dcpp::BufferedSocketListener>::fire<dcpp::BufferedSocketListener::X<2>=0x00726500,stlp_std::basic_string<char=0x04D4FEC4,stlp_std::char_traits<char>=0x0196DE6C,stlp_std::allocator<char> > >
c:\data\svn\1.3.x\client\bufferedsocket.cpp(237): dcpp::BufferedSocket::threadRead
c:\data\svn\1.3.x\client\bufferedsocket.cpp(468): dcpp::BufferedSocket::checkSocket
c:\data\svn\1.3.x\client\bufferedsocket.cpp(16707566): dcpp::BufferedSocket::run
c:\data\svn\1.3.x\client\thread.h(169): dcpp::Thread::starter
f:\dd\vctools\crt_bld\self_x86\crt\src\threadex.c(348): _callthreadstartex
f:\dd\vctools\crt_bld\self_x86\crt\src\threadex.c(326): _threadstartex
kernel32!0x7C80B729: GetModuleFileNameA
