diff --git a/src/c#/GeneralUpdate.Core/Strategys/PlatformWindows/WindowsStrategy.cs b/src/c#/GeneralUpdate.Core/Strategys/PlatformWindows/WindowsStrategy.cs
index 33b9e642..02863fdd 100644
--- a/src/c#/GeneralUpdate.Core/Strategys/PlatformWindows/WindowsStrategy.cs
+++ b/src/c#/GeneralUpdate.Core/Strategys/PlatformWindows/WindowsStrategy.cs
@@ -86,7 +86,7 @@ public override bool StartApp(string appName, int appType)
                 switch (appType)
                 {
                     case AppType.ClientApp:
-                        Environment.SetEnvironmentVariable("ProcessBase64", Packet.ProcessBase64, EnvironmentVariableTarget.Machine);
+                        Environment.SetEnvironmentVariable("ProcessBase64", Packet.ProcessBase64, EnvironmentVariableTarget.User);
                         WaitForProcessToStart(path, 20, ()=> WillMessageManager.Instance.Check());
                         break;