diff --git a/AyaNovaQBI/util.cs b/AyaNovaQBI/util.cs
index ea85c06..7c91c1f 100644
--- a/AyaNovaQBI/util.cs
+++ b/AyaNovaQBI/util.cs
@@ -26,14 +26,14 @@ namespace AyaNovaQBI
 
         internal static string JWT { get; set; }
 
-       // internal static long AyaNovaUserId { get; set; }  //probably don't need this, if I do then some code will need to be added to decode the JWT or at the server to get my currently logged in USER ID
+        // internal static long AyaNovaUserId { get; set; }  //probably don't need this, if I do then some code will need to be added to decode the JWT or at the server to get my currently logged in USER ID
         internal static string AyaNovaUserName { get; set; }
         internal static AuthorizationRoles AyaNovaUserRoles { get; set; }
         internal static UserType AyaNovaUserType { get; set; }
 
         internal static AyaNovaLicense ALicense { get; set; } = null;
-      
-        
+
+
 
 
         public static void InitClient()
@@ -100,15 +100,14 @@ namespace AyaNovaQBI
                 var InnerErr = "";
                 if (ex.InnerException != null)
                     InnerErr = ex.InnerException.Message;
-                
+
                 throw new Exception("Authentication error, route: AUTH\r\nError:" + Err + "\r\nInner error:" + InnerErr);
             }
 
-            //ApiResponse a = await PostAsync("auth", creds.ToString());
-
+            var a = new ApiResponse() { HttpResponse = response, ObjectResponse = Parse(await response.Content.ReadAsStringAsync()) };
             if (response.IsSuccessStatusCode)
             {
-                var a = new ApiResponse() { HttpResponse = response, ObjectResponse = Parse(await response.Content.ReadAsStringAsync()) };
+
                 bool tfa = a.ObjectResponse["data"]["tfa"].Value<bool>();
                 if (tfa == true)
                 {
@@ -131,14 +130,14 @@ namespace AyaNovaQBI
                             var tfaResponse = await TryPostAsync("auth/tfa-authenticate", tfaCreds.ToString(Newtonsoft.Json.Formatting.None));//trypost is no delay
                             if (ProcessLoginResponse(tfaResponse)) return true;
                         }
-                        catch(Exception ex)
+                        catch (Exception ex)
                         {
                             if (!ex.Message.Contains("2003"))//if not an authentication error (bad pin) then throw it back up for display
                                 throw ex;
                             //otherwise eat it and let them re-enter the pin again to mirror how ayanova web client works
 
-                        }                  
-                        
+                        }
+
 
                     } while (true);
 
@@ -148,8 +147,27 @@ namespace AyaNovaQBI
                     return ProcessLoginResponse(a);
                 }
             }
+            else
+            {
+                /*
+                 "error": {
+  "code": "2001",
+  "message": "\"E1020 - License key expired 2022-06-20 5:00 PM\r\nLogin as SuperUser to start evaluation / install license\""
+}
+
+                 */
+                if (a.ObjectResponse != null && a.ObjectResponse.ContainsKey("error"))
+                {
+
+                    var errCode = a.ObjectResponse["error"]["code"].Value<string>();
+                    if (errCode.Contains("2003")) return false;//simple authentication error
+                    var errMessage = a.ObjectResponse["error"]["message"].Value<string>();
+                    throw new Exception($"Code: {errCode} - {errMessage}");
+                }
+                return false;
+            }
+
 
-            return false;
         }
 
         private static bool ProcessLoginResponse(ApiResponse a)
@@ -159,12 +177,12 @@ namespace AyaNovaQBI
             {
                 return false;
             }
-            if(a.ObjectResponse["data"]["l"].Value<bool>())//license lockout
+            if (a.ObjectResponse["data"]["l"].Value<bool>())//license lockout
             {
                 throw new Exception("Server login from QBI is disabled due to AyaNova license issue");
             }
-                
-            JWT = a.ObjectResponse["data"]["token"].Value<string>();         
+
+            JWT = a.ObjectResponse["data"]["token"].Value<string>();
 
             AyaNovaUserName = a.ObjectResponse["data"]["name"].Value<string>();
             AyaNovaUserRoles = (AuthorizationRoles)(int.Parse(a.ObjectResponse["data"]["roles"].Value<string>()));
@@ -463,11 +481,15 @@ namespace AyaNovaQBI
 
             //Get license
             var r = await GetAsync("license");
-            ALicense = r.ObjectResponse["data"]["license"].ToObject < AyaNovaLicense>();
-         
-            
+            ALicense = r.ObjectResponse["data"]["license"].ToObject<AyaNovaLicense>();
+
+
             //UNEXPIRED AYANOVA LICENSE?
-            todo check this
+            if (ALicense.licenseWillExpire && ALicense.licenseExpiration < DateTime.UtcNow)
+            {
+                initErrors.AppendLine($"AyaNova license has expired {ALicense.licenseExpiration.ToLocalTime().ToString("g")}");
+                return false;
+            }
 
 
             //QBI LICENSED?
@@ -477,7 +499,7 @@ namespace AyaNovaQBI
                 return false;
             }
 
-         
+
             //check if build date is within licensed date (how did I do that automated build date thing?)
             //  copy timestamp.cs and the createtimestamp.exe utility from v7 qbi and create build event to run it here and do same thing
             //check that AyaNova version matches required minimum for this QBI (