diff --git a/app/config.py b/app/config.py
index 109ae61..22812ca 100644
--- a/app/config.py
+++ b/app/config.py
@@ -11,6 +11,19 @@ _BUNDLE_DIR = getattr(sys, "_MEIPASS", None)
 
 PROJECT_ROOT = Path(_BUNDLE_DIR).resolve() if _BUNDLE_DIR else Path(__file__).resolve().parent.parent
 
+# Frozen bundles don't ship the system CA store, so Python's urllib would fail
+# TLS verification against the store server / NoPayStation / TMDB / archive.org.
+# Point OpenSSL at the certifi bundle (a curl_cffi dependency) when frozen only;
+# source runs keep using the OS CA store.
+if IS_FROZEN:
+    try:
+        import certifi
+        _CA_BUNDLE = certifi.where()
+        os.environ.setdefault("SSL_CERT_FILE", _CA_BUNDLE)
+        os.environ.setdefault("REQUESTS_CA_BUNDLE", _CA_BUNDLE)
+    except Exception:  # noqa: BLE001
+        pass
+
 
 def resource_path(*parts):
     """Absolute path to a read-only bundled resource (works when frozen)."""
diff --git a/app/gui.py b/app/gui.py
index 5ea3bff..efd1a96 100644
--- a/app/gui.py
+++ b/app/gui.py
@@ -5679,10 +5679,13 @@ def main():
     log.info("starting psp-preserve (db: %s)", config.DB_PATH)
     app = QApplication(sys.argv)
     style.apply_theme(app)
+    app.setApplicationName("PSP Preservation Tool")
+    app.setDesktopFileName("psp-preserve")
     icon_path = config.PROJECT_ROOT / "img" / "app-icon.png"
     if icon_path.is_file():
         app.setWindowIcon(QIcon(str(icon_path)))
     window = MainWindow()
+    window.setWindowIcon(app.windowIcon())
     window.show()
     log.info("main window ready")
     threading.Thread(target=_start_bundle_check, args=(window,), daemon=True).start()
diff --git a/packaging/psp-preserve.desktop b/packaging/psp-preserve.desktop
new file mode 100644
index 0000000..7d02c9d
--- /dev/null
+++ b/packaging/psp-preserve.desktop
@@ -0,0 +1,9 @@
+[Desktop Entry]
+Type=Application
+Name=PSP Preservation Tool
+Comment=Preserve and manage your PSP library
+Exec=psp-preserve
+Icon=psp-preserve
+Terminal=false
+Categories=Utility;AudioVideo;
+StartupWMClass=psp-preserve
diff --git a/psp-preserve.spec b/psp-preserve.spec
index 9c8292d..df9c077 100644
--- a/psp-preserve.spec
+++ b/psp-preserve.spec
@@ -24,6 +24,7 @@ datas = [
     ("data/covers/UMD_GAME_COVER_TEMPLATE.png", "data/covers"),
     ("img/app-icon.png", "img"),
     ("img/chevron.png", "img"),
+    ("packaging/psp-preserve.desktop", "."),
 ]
 
 a = Analysis(
@@ -53,6 +54,7 @@ exe = EXE(
     upx=False,
     console=False,
     disable_windowed_traceback=False,
+    contents_directory="psp-preserve",
 )
 
 coll = COLLECT(