From 67f17eb4bb1c2b18dd80dc50146f60cf18872f6f Mon Sep 17 00:00:00 2001
From: hartvig <unknown@kiln.example.com>
Date: Sun, 20 Jun 2010 09:43:14 +0000
Subject: [PATCH] Fixes 27687

[TFS Changeset #70186]
---
 umbraco/providers/UsersMembershipProvider.cs | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/umbraco/providers/UsersMembershipProvider.cs b/umbraco/providers/UsersMembershipProvider.cs
index fff5a3124e..1842935a34 100644
--- a/umbraco/providers/UsersMembershipProvider.cs
+++ b/umbraco/providers/UsersMembershipProvider.cs
@@ -564,11 +564,20 @@ namespace umbraco.providers
         /// </returns>
         public override bool ValidateUser(string username, string password)
         {
-            User user = new User(username);
-            if (user != null && user.Id != -1)
+            // we need to wrap this in a try/catch as passing a non existing 
+            // user will throw an exception
+            try
             {
-                if (user.Disabled) return false;
-                else return user.ValidatePassword(EncodePassword(password));
+                User user = new User(username);
+                if (user != null && user.Id != -1)
+                {
+                    if (user.Disabled) return false;
+                    else return user.ValidatePassword(EncodePassword(password));
+                }
+            }
+            catch
+            {
+                // nothing to catch here - move on
             }
 
             return false;