diff --git a/drivers/wasapi/audio_driver_wasapi.cpp b/drivers/wasapi/audio_driver_wasapi.cpp
index eeeb6ee689e..6c84aee2b72 100644
--- a/drivers/wasapi/audio_driver_wasapi.cpp
+++ b/drivers/wasapi/audio_driver_wasapi.cpp
@@ -706,7 +706,7 @@ void AudioDriverWASAPI::write_sample(WORD format_tag, int bits_per_sample, BYTE
 }
 
 void AudioDriverWASAPI::thread_func(void *p_udata) {
-	CoInitializeEx(nullptr, COINIT_MULTITHREADED);
+	CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 
 	AudioDriverWASAPI *ad = static_cast<AudioDriverWASAPI *>(p_udata);
 	uint32_t avail_frames = 0;
diff --git a/platform/windows/display_server_windows.cpp b/platform/windows/display_server_windows.cpp
index 73e0ec65116..435917e471b 100644
--- a/platform/windows/display_server_windows.cpp
+++ b/platform/windows/display_server_windows.cpp
@@ -277,7 +277,12 @@ Error DisplayServerWindows::file_dialog_show(const String &p_title, const String
 		pfd->SetFileTypes(filters.size(), filters.ptr());
 		pfd->SetFileTypeIndex(0);
 
-		hr = pfd->Show(nullptr);
+		WindowID window_id = _get_focused_window_or_popup();
+		if (!windows.has(window_id)) {
+			window_id = MAIN_WINDOW_ID;
+		}
+
+		hr = pfd->Show(windows[window_id].hWnd);
 		if (SUCCEEDED(hr)) {
 			Vector<String> file_names;
 
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index df93631ef05..7c94e38e14e 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -1714,7 +1714,7 @@ String OS_Windows::get_system_ca_certificates() {
 OS_Windows::OS_Windows(HINSTANCE _hInstance) {
 	hInstance = _hInstance;
 
-	CoInitializeEx(nullptr, COINIT_MULTITHREADED);
+	CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 
 #ifdef WASAPI_ENABLED
 	AudioDriverManager::add_driver(&driver_wasapi);