diff --git a/DMMGamePlayerFastLauncher.py b/DMMGamePlayerFastLauncher.py
index 0a0f8b7..ec285c8 100644
--- a/DMMGamePlayerFastLauncher.py
+++ b/DMMGamePlayerFastLauncher.py
@@ -251,6 +251,7 @@ def run(
             elif self.non_request_admin:
                 self.error_manager.error(error=ErrorManager.permission_error)
             else:
+                args = [f'"{arg}"' for arg in args]
                 ctypes.windll.shell32.ShellExecuteW(
                     None, "runas", args[0], " ".join(args[1:]), None, 1
                 )
diff --git a/Task.py b/Task.py
index 05a2caf..3a63afc 100644
--- a/Task.py
+++ b/Task.py
@@ -7,11 +7,16 @@
 for p in psutil.process_iter(attrs=("name", "pid", "cmdline")):
     if p.info["name"] != "DMMGamePlayerFastLauncher.exe":
         continue
+
     cmdline = p.info["cmdline"]
-    if "--bypass-uac" in cmdline:
-        cmdline.remove("--bypass-uac")
+    if "--non-bypass-uac" not in cmdline:
+        cmdline.append("--non-bypass-uac")
+        cmdline = [f'"{cmd}"' for cmd in cmdline]
         os.kill(p.info["pid"], signal.SIGTERM)
+        print("killed " + " ".join(cmdline))
         ctypes.windll.shell32.ShellExecuteW(
             None, "runas", cmdline[0], " ".join(cmdline[1:]), None, 1
         )
         break
+else:
+    print("Error")