diff --git a/FastGithub.DnscryptProxy/DnscryptProxyService.cs b/FastGithub.DnscryptProxy/DnscryptProxyService.cs
index 320933a..886e50a 100644
--- a/FastGithub.DnscryptProxy/DnscryptProxyService.cs
+++ b/FastGithub.DnscryptProxy/DnscryptProxyService.cs
@@ -52,6 +52,7 @@ namespace FastGithub.DnscryptProxy
 
             if (OperatingSystem.IsWindows())
             {
+                StartDnscryptProxy("-service uninstall")?.WaitForExit();
                 StartDnscryptProxy("-service install")?.WaitForExit();
                 StartDnscryptProxy("-service start")?.WaitForExit();
                 this.Process = Process.GetProcessesByName(name).FirstOrDefault(item => item.SessionId == 0);