diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
index 3c30a6ae..6e398eec 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
@@ -71,6 +71,10 @@ public void reply() throws Exception {
                 AuthProvider.authError(server.config.authRejectString);
                 return;
             }
+            if(!clientData.checkSign)
+            {
+                throw new AuthException("You must using checkLauncher");
+            }
             result = provider.auth(login, password, ip);
             if (!VerifyHelper.isValidUsername(result.username)) {
                 AuthProvider.authError(String.format("Illegal result: '%s'", result.username));
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java
index f9f7b1b5..11e12a6e 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java
@@ -38,7 +38,7 @@ public void reply() throws IOException {
             return;
         }
         Client clientData = server.sessionManager.getClient(session);
-        if(!clientData.isAuth || clientData.type != Client.Type.USER) { requestError("Assess denied"); return;}
+        if(!clientData.isAuth || clientData.type != Client.Type.USER || clientData.profile == null) { requestError("Assess denied"); return;}
         for(SignedObjectHolder<ClientProfile> p : server.getProfiles())
         {
             ClientProfile profile = p.object;