diff --git a/src/common/io_file.h b/src/common/io_file.h
index 177bddba..8fed4981 100644
--- a/src/common/io_file.h
+++ b/src/common/io_file.h
@@ -205,9 +205,9 @@ public:
         return WriteSpan(string);
     }
 
-    static void WriteBytes(const std::filesystem::path path, std::span<const u8> data) {
+    static size_t WriteBytes(const std::filesystem::path path, std::span<const u8> data) {
         IOFile out(path, FileAccessMode::Write);
-        out.Write(data);
+        return out.Write(data);
     }
 
 private:
diff --git a/src/core/file_format/trp.cpp b/src/core/file_format/trp.cpp
index 929136bc..2ca88c77 100644
--- a/src/core/file_format/trp.cpp
+++ b/src/core/file_format/trp.cpp
@@ -12,6 +12,7 @@ void TRP::GetNPcommID(const std::filesystem::path& trophyPath, int index) {
     std::filesystem::path trpPath = trophyPath / "sce_sys/npbind.dat";
     Common::FS::IOFile npbindFile(trpPath, Common::FS::FileAccessMode::Read);
     if (!npbindFile.IsOpen()) {
+        LOG_CRITICAL(Common_Filesystem, "Failed to open npbind.dat file");
         return;
     }
     if (!npbindFile.Seek(0x84 + (index * 0x180))) {
@@ -35,6 +36,7 @@ static void removePadding(std::vector<u8>& vec) {
 bool TRP::Extract(const std::filesystem::path& trophyPath, const std::string titleId) {
     std::filesystem::path gameSysDir = trophyPath / "sce_sys/trophy/";
     if (!std::filesystem::exists(gameSysDir)) {
+        LOG_CRITICAL(Common_Filesystem, "Game sce_sys directory doesn't exist");
         return false;
     }
     for (int index = 0; const auto& it : std::filesystem::directory_iterator(gameSysDir)) {
@@ -43,13 +45,16 @@ bool TRP::Extract(const std::filesystem::path& trophyPath, const std::string tit
 
             Common::FS::IOFile file(it.path(), Common::FS::FileAccessMode::Read);
             if (!file.IsOpen()) {
+                LOG_CRITICAL(Common_Filesystem, "Unable to open trophy file for read");
                 return false;
             }
 
             TrpHeader header;
             file.Read(header);
-            if (header.magic != 0xDCA24D00)
+            if (header.magic != 0xDCA24D00) {
+                LOG_CRITICAL(Common_Filesystem, "Wrong trophy magic number");
                 return false;
+            }
 
             s64 seekPos = sizeof(TrpHeader);
             std::filesystem::path trpFilesPath(
@@ -98,7 +103,14 @@ bool TRP::Extract(const std::filesystem::path& trophyPath, const std::string tit
                     size_t pos = xml_name.find("ESFM");
                     if (pos != std::string::npos)
                         xml_name.replace(pos, xml_name.length(), "XML");
-                    Common::FS::IOFile::WriteBytes(trpFilesPath / "Xml" / xml_name, XML);
+                    std::filesystem::path path = trpFilesPath / "Xml" / xml_name;
+                    size_t written = Common::FS::IOFile::WriteBytes(path, XML);
+                    if (written != XML.size()) {
+                        LOG_CRITICAL(
+                            Common_Filesystem,
+                            "Trophy XML {} write failed, wanted to write {} bytes, wrote {}",
+                            fmt::UTF(path.u8string()), XML.size(), written);
+                    }
                 }
             }
         }
diff --git a/src/core/libraries/np_trophy/np_trophy.cpp b/src/core/libraries/np_trophy/np_trophy.cpp
index 0641a2c0..d759b7a2 100644
--- a/src/core/libraries/np_trophy/np_trophy.cpp
+++ b/src/core/libraries/np_trophy/np_trophy.cpp
@@ -966,7 +966,7 @@ int PS4_SYSV_ABI sceNpTrophyUnlockTrophy(OrbisNpTrophyContext context, OrbisNpTr
         }
     }
 
-    doc.save_file((trophy_dir.string() + "/trophy00/Xml/TROP.XML").c_str());
+    doc.save_file((trophy_dir / "trophy00" / "Xml" / "TROP.XML").native().c_str());
 
     return ORBIS_OK;
 }
diff --git a/src/core/libraries/np_trophy/trophy_ui.cpp b/src/core/libraries/np_trophy/trophy_ui.cpp
index 740bd3a1..618f8db4 100644
--- a/src/core/libraries/np_trophy/trophy_ui.cpp
+++ b/src/core/libraries/np_trophy/trophy_ui.cpp
@@ -16,12 +16,13 @@ std::optional<TrophyUI> current_trophy_ui;
 std::queue<TrophyInfo> trophy_queue;
 std::mutex queueMtx;
 
-TrophyUI::TrophyUI(std::filesystem::path trophyIconPath, std::string trophyName)
+TrophyUI::TrophyUI(const std::filesystem::path& trophyIconPath, const std::string& trophyName)
     : trophy_name(trophyName) {
     if (std::filesystem::exists(trophyIconPath)) {
         trophy_icon = RefCountedTexture::DecodePngFile(trophyIconPath);
     } else {
-        LOG_ERROR(Lib_NpTrophy, "Couldnt load trophy icon at {}", trophyIconPath.string());
+        LOG_ERROR(Lib_NpTrophy, "Couldnt load trophy icon at {}",
+                  fmt::UTF(trophyIconPath.u8string()));
     }
     AddLayer(this);
 }
@@ -66,7 +67,7 @@ void TrophyUI::Draw() {
 
     trophy_timer -= io.DeltaTime;
     if (trophy_timer <= 0) {
-        queueMtx.lock();
+        std::lock_guard<std::mutex> lock(queueMtx);
         if (!trophy_queue.empty()) {
             TrophyInfo next_trophy = trophy_queue.front();
             trophy_queue.pop();
@@ -74,12 +75,11 @@ void TrophyUI::Draw() {
         } else {
             current_trophy_ui.reset();
         }
-        queueMtx.unlock();
     }
 }
 
-void AddTrophyToQueue(std::filesystem::path trophyIconPath, std::string trophyName) {
-    queueMtx.lock();
+void AddTrophyToQueue(const std::filesystem::path& trophyIconPath, const std::string& trophyName) {
+    std::lock_guard<std::mutex> lock(queueMtx);
     if (current_trophy_ui.has_value()) {
         TrophyInfo new_trophy;
         new_trophy.trophy_icon_path = trophyIconPath;
@@ -88,7 +88,6 @@ void AddTrophyToQueue(std::filesystem::path trophyIconPath, std::string trophyNa
     } else {
         current_trophy_ui.emplace(trophyIconPath, trophyName);
     }
-    queueMtx.unlock();
 }
 
 } // namespace Libraries::NpTrophy
\ No newline at end of file
diff --git a/src/core/libraries/np_trophy/trophy_ui.h b/src/core/libraries/np_trophy/trophy_ui.h
index 4448c228..ce7a1c63 100644
--- a/src/core/libraries/np_trophy/trophy_ui.h
+++ b/src/core/libraries/np_trophy/trophy_ui.h
@@ -17,7 +17,7 @@ namespace Libraries::NpTrophy {
 
 class TrophyUI final : public ImGui::Layer {
 public:
-    TrophyUI(std::filesystem::path trophyIconPath, std::string trophyName);
+    TrophyUI(const std::filesystem::path& trophyIconPath, const std::string& trophyName);
     ~TrophyUI() override;
 
     void Finish();
@@ -35,6 +35,6 @@ struct TrophyInfo {
     std::string trophy_name;
 };
 
-void AddTrophyToQueue(std::filesystem::path trophyIconPath, std::string trophyName);
+void AddTrophyToQueue(const std::filesystem::path& trophyIconPath, const std::string& trophyName);
 
 }; // namespace Libraries::NpTrophy
\ No newline at end of file
diff --git a/src/qt_gui/check_update.cpp b/src/qt_gui/check_update.cpp
index b92974ba..023c6e7b 100644
--- a/src/qt_gui/check_update.cpp
+++ b/src/qt_gui/check_update.cpp
@@ -343,8 +343,8 @@ void CheckUpdate::DownloadUpdate(const QString& url) {
             return;
         }
 
-        QString userPath =
-            QString::fromStdString(Common::FS::GetUserPath(Common::FS::PathType::UserDir).string());
+        QString userPath;
+        Common::FS::PathToQString(userPath, Common::FS::GetUserPath(Common::FS::PathType::UserDir));
         QString tempDownloadPath = userPath + "/temp_download_update";
         QDir dir(tempDownloadPath);
         if (!dir.exists()) {
@@ -371,12 +371,13 @@ void CheckUpdate::DownloadUpdate(const QString& url) {
 }
 
 void CheckUpdate::Install() {
-    QString userPath =
-        QString::fromStdString(Common::FS::GetUserPath(Common::FS::PathType::UserDir).string());
+    QString userPath;
+    Common::FS::PathToQString(userPath, Common::FS::GetUserPath(Common::FS::PathType::UserDir));
 
     QString startingUpdate = tr("Starting Update...");
     QString tempDirPath = userPath + "/temp_download_update";
-    QString rootPath = QString::fromStdString(std::filesystem::current_path().string());
+    QString rootPath;
+    Common::FS::PathToQString(rootPath, std::filesystem::current_path());
 
     QString scriptContent;
     QString scriptFileName;