diff --git a/project/Aki.Launcher.Base/Helpers/ValidationUtil.cs b/project/Aki.Launcher.Base/Helpers/ValidationUtil.cs
index 2e894c2..2f3d1ac 100644
--- a/project/Aki.Launcher.Base/Helpers/ValidationUtil.cs
+++ b/project/Aki.Launcher.Base/Helpers/ValidationUtil.cs
@@ -12,24 +12,24 @@ namespace Aki.Launcher.Helpers
 
             try
             {
-                var v1 = Registry.LocalMachine.OpenSubKey(c0, false).GetValue("UninstallString");
+                var v1 = Registry.LocalMachine.OpenSubKey(c0, false).GetValue("InstallLocation");
                 var v2 = (v1 != null) ? v1.ToString() : string.Empty;
-                var v3 = new FileInfo(v2);
-                var v4 = new FileInfo[]
+                var v3 = new DirectoryInfo(v2);
+                var v4 = new FileSystemInfo[]
                 {
                     v3,
-                    new FileInfo(v2.Replace(v3.Name, @"BattlEye\BEClient_x64.dll")),
-                    new FileInfo(v2.Replace(v3.Name, @"BattlEye\BEService_x64.dll")),
-                    new FileInfo(v2.Replace(v3.Name, @"ConsistencyInfo")),
-                    new FileInfo(v2.Replace(v3.Name, @"Uninstall.exe")),
-                    new FileInfo(v2.Replace(v3.Name, @"UnityCrashHandler64.exe"))
+                    new FileInfo(Path.Join(v2, @"BattlEye\BEClient_x64.dll")),
+                    new FileInfo(Path.Join(v2, @"BattlEye\BEService_x64.dll")),
+                    new FileInfo(Path.Join(v2, "ConsistencyInfo")),
+                    new FileInfo(Path.Join(v2, "Uninstall.exe")),
+                    new FileInfo(Path.Join(v2, "UnityCrashHandler64.exe"))
                 };
 
                 v0 = v4.Length - 1;
 
                 foreach (var value in v4)
                 {
-                    if (File.Exists(value.FullName))
+                    if (value.Exists)
                     {
                         --v0;
                     }