diff --git a/TGInstallerWrapper/Main.cs b/TGInstallerWrapper/Main.cs
index b497c0b6cc..1c6b6cea85 100644
--- a/TGInstallerWrapper/Main.cs
+++ b/TGInstallerWrapper/Main.cs
@@ -18,7 +18,7 @@ namespace TGInstallerWrapper
 		const string InterfaceDLL = "TGServiceInterface.dll";
 		const string InterfaceNamespace = "TGServiceInterface";
 		const string InterfaceComponentsNamespace = InterfaceNamespace + ".Components";
-		const string InterfaceClass = InterfaceNamespace + ".Server";
+		const string InterfaceClass = InterfaceNamespace + ".Interface";
 		const string InterfaceServiceInterface = InterfaceComponentsNamespace + ".ITGSService";   //fuck this typo
 		const string InterfaceClassVerifyConnection = "VerifyConnection";
 		const string InterfaceClassGetComponent = "GetComponent";
@@ -95,6 +95,8 @@ namespace TGInstallerWrapper
 			try
 			{
 				VersionLabel.Text = (string)Version.Invoke(GetComponentITGSService.Invoke(null, null), null);
+				if (VersionLabel.Text.Contains("v3.0")) //OH GOD!!!!
+					MessageBox.Show("Warning! Upgrading from version 3.0 may trigger a bug that can delete /config and /data. IT IS STRONGLY RECCOMMENDED THAT YOU BACKUP THESE FOLDERS BEFORE UPDATING!");
 			}
 			catch
 			{
diff --git a/TGServiceInterface/Interface.cs b/TGServiceInterface/Interface.cs
index 21a196edba..7cbbd1f090 100644
--- a/TGServiceInterface/Interface.cs
+++ b/TGServiceInterface/Interface.cs
@@ -141,7 +141,7 @@ namespace TGServiceInterface
 			var splits = Interface.GetComponent<ITGSService>().Version().Split(' ');
 			var theirs = new Version(splits[splits.Length - 1].Substring(1));
 			var ours = new Version(FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileVersion);
-			if(theirs != ours)
+			if(theirs.Major != ours.Major || theirs.Minor != ours.Minor || theirs.Revision != ours.Revision)	//don't care about the patch level
 			{
 				errorMessage = String.Format("Version mismatch between interface version ({0}) and service version ({1}). Some functionality may crash this program.", ours, theirs);
 				return true;