diff --git a/src/3rdparty/torrent-rasterbar/CMakeLists.txt b/src/3rdparty/torrent-rasterbar/CMakeLists.txt
index 7626986..b1907eb 100644
--- a/src/3rdparty/torrent-rasterbar/CMakeLists.txt
+++ b/src/3rdparty/torrent-rasterbar/CMakeLists.txt
@@ -156,7 +156,7 @@ set(ed25519_sources
 
 set(includes include ed25519/src)
 
-option(shared "build libtorrent as a shared library" ON)
+option(shared "build libtorrent as a shared library" OFF)
 option(static_runtime "build libtorrent with static runtime" OFF)
 option(tcmalloc "link against google performance tools tcmalloc" OFF)
 option(pool-allocators "Uses a pool allocator for disk and piece buffers" ON)
@@ -255,7 +255,7 @@ target_compile_definitions(torrent-rasterbar PRIVATE TORRENT_BUILDING_LIBRARY)
 
 # Boost
 if(NOT DEFINED Boost_INCLUDE_DIR OR NOT DEFINED Boost_LIBRARIES)
-	FIND_PACKAGE(Boost REQUIRED COMPONENTS system chrono random)
+	FIND_PACKAGE(Boost REQUIRED COMPONENTS system chrono random atomic date_time)
 endif()
 include_directories(${Boost_INCLUDE_DIRS})
 target_link_libraries(torrent-rasterbar ${Boost_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
@@ -270,7 +270,7 @@ if (WIN32)
 	# prevent winsock1 to be included
 	add_definitions(-DWIN32_LEAN_AND_MEAN)
 	if (MSVC)
-		add_definitions(-DBOOST_ALL_NO_LIB)
+#		add_definitions(-DBOOST_ALL_NO_LIB)
 		# for multicore compilation
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
 		# increase the number of sections for obj files
@@ -356,15 +356,15 @@ else()
 	set (LIBDIR "lib")
 endif()
 
-install(TARGETS torrent-rasterbar DESTINATION ${LIBDIR})
-install(DIRECTORY include/libtorrent
-	DESTINATION include
-	PATTERN ".svn" EXCLUDE)
-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libtorrent-rasterbar.pc DESTINATION ${LIBDIR}/pkgconfig)
+#install(TARGETS torrent-rasterbar DESTINATION ${LIBDIR})
+#install(DIRECTORY include/libtorrent
+#	DESTINATION include
+#	PATTERN ".svn" EXCLUDE)
+#install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libtorrent-rasterbar.pc DESTINATION ${LIBDIR}/pkgconfig)
 
 # === set up examples directory as an independent project ===
-file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/examples)
-configure_file(examples/run_cmake.sh.in examples/run_cmake.sh)
+#file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/examples)
+#configure_file(examples/run_cmake.sh.in examples/run_cmake.sh)
 # to build the examples, run examples/run_cmake.sh after building libtorrent
 
 # === build tests ===
diff --git a/src/3rdparty/torrent-rasterbar/src/session_call.cpp b/src/3rdparty/torrent-rasterbar/src/session_call.cpp
index e6bf859..3b7213e 100644
--- a/src/3rdparty/torrent-rasterbar/src/session_call.cpp
+++ b/src/3rdparty/torrent-rasterbar/src/session_call.cpp
@@ -82,8 +82,11 @@ void fun_wrap(bool& done, condition_variable& e, mutex& m, boost::function<void(
 void torrent_wait(bool& done, aux::session_impl& ses)
 {
 	blocking_call();
+	if (!done)
+	{
 	mutex::scoped_lock l(ses.mut);
 	while (!done) { ses.cond.wait(l); };
+	}
 }
 
 void sync_call(aux::session_impl& ses, boost::function<void(void)> f)
diff --git a/src/3rdparty/torrent-rasterbar/src/thread.cpp b/src/3rdparty/torrent-rasterbar/src/thread.cpp
index eec8c10..5cdccae 100644
--- a/src/3rdparty/torrent-rasterbar/src/thread.cpp
+++ b/src/3rdparty/torrent-rasterbar/src/thread.cpp
@@ -139,11 +139,13 @@ namespace libtorrent
 
 	void condition_variable::notify_all()
 	{
+		if (m_num_waiters > 0)
 		ReleaseSemaphore(m_sem, m_num_waiters, 0);
 	}
 
 	void condition_variable::notify()
 	{
+		if (m_num_waiters > 0)
 		ReleaseSemaphore(m_sem, (std::min)(m_num_waiters, 1), 0);
 	}
 #elif defined TORRENT_BEOS
@@ -180,11 +182,13 @@ namespace libtorrent
 
 	void condition_variable::notify_all()
 	{
+		if (m_num_waiters > 0)
 		release_sem_etc(m_sem, m_num_waiters, 0);
 	}
 
 	void condition_variable::notify()
 	{
+		if (m_num_waiters > 0)
 		release_sem_etc(m_sem, (std::min)(m_num_waiters, 1), 0);
 	}
 #else