diff --git a/components/SQLCE4Umbraco/SqlCE4Umbraco.csproj b/components/SQLCE4Umbraco/SqlCE4Umbraco.csproj
index 36d304b524..9aa4f2c684 100644
--- a/components/SQLCE4Umbraco/SqlCE4Umbraco.csproj
+++ b/components/SQLCE4Umbraco/SqlCE4Umbraco.csproj
@@ -54,6 +54,7 @@
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SqlCeApplicationBlock.cs" />
+    <Compile Include="SqlCeContextGuardian.cs" />
     <Compile Include="SqlCEDataReader.cs" />
     <Compile Include="SqlCEHelper.cs" />
     <Compile Include="SqlCEInstaller.cs" />
diff --git a/components/SQLCE4Umbraco/SqlCeApplicationBlock.cs b/components/SQLCE4Umbraco/SqlCeApplicationBlock.cs
index 0d7dd5e8bf..e71ebf645c 100644
--- a/components/SQLCE4Umbraco/SqlCeApplicationBlock.cs
+++ b/components/SQLCE4Umbraco/SqlCeApplicationBlock.cs
@@ -5,6 +5,7 @@ using System.Text;
 using System.Data.SqlServerCe;
 using System.Data;
 using System.Diagnostics;
+using SQLCE4Umbraco;
 
 namespace SqlCE4Umbraco
 {
@@ -29,10 +30,8 @@ namespace SqlCE4Umbraco
 
             try
             {
-                using (SqlCeConnection conn = new SqlCeConnection())
+                using (SqlCeConnection conn = SqlCeContextGuardian.Open(connectionString))
                 {
-                    conn.ConnectionString = connectionString;
-                    conn.Open();
                     using (SqlCeCommand cmd = new SqlCeCommand(commandText, conn))
                     {
                         AttachParameters(cmd, commandParameters);
@@ -68,7 +67,7 @@ namespace SqlCE4Umbraco
             try
             {
                 int rowsAffected;
-                using (SqlCeConnection conn = new SqlCeConnection())
+                using (SqlCeConnection conn = SqlCeContextGuardian.Open(connectionString))
                 {
                     // this is for multiple queries in the installer
                     if (commandText.Trim().StartsWith("!!!"))
@@ -76,8 +75,6 @@ namespace SqlCE4Umbraco
                         commandText = commandText.Trim().Trim('!');
                         string[] commands = commandText.Split('|');
                         string currentCmd = String.Empty;
-                        conn.ConnectionString = connectionString;
-                        conn.Open();
 
                         foreach (string cmd in commands)
                         {
@@ -142,9 +139,8 @@ namespace SqlCE4Umbraco
                 Debug.WriteLine(commandText);
                 Debug.WriteLine("----------------------------------------------------------------------------");
                 SqlCeDataReader reader;
-                SqlCeConnection conn = new SqlCeConnection();
-                conn.ConnectionString = connectionString;
-                conn.Open();
+                SqlCeConnection conn = SqlCeContextGuardian.Open(connectionString);
+
                 try
                 {
                     SqlCeCommand cmd = new SqlCeCommand(commandText, conn);
@@ -168,7 +164,7 @@ namespace SqlCE4Umbraco
         public static bool VerifyConnection(string connectionString)
         {
             bool isConnected = false;
-            using (SqlCeConnection conn = new SqlCeConnection())
+            using (SqlCeConnection conn = SqlCeContextGuardian.Open(connectionString))
             {
                 conn.ConnectionString = connectionString;
                 conn.Open();
diff --git a/umbraco/cms/businesslogic/member/Member.cs b/umbraco/cms/businesslogic/member/Member.cs
index dfc59bab79..ecaaae6bb8 100644
--- a/umbraco/cms/businesslogic/member/Member.cs
+++ b/umbraco/cms/businesslogic/member/Member.cs
@@ -803,7 +803,7 @@ namespace umbraco.cms.businesslogic.member
                 if (!String.IsNullOrEmpty(value))
                 {
                     string validateMemberId = value.Substring(0, value.IndexOf("+"));
-                    if (validateMemberId != Membership.GetUser().ProviderUserKey.ToString())
+                    if (Membership.GetUser() == null || validateMemberId != Membership.GetUser().ProviderUserKey.ToString())
                     {
                         Member.RemoveMemberFromCache(int.Parse(validateMemberId));
                         value = String.Empty;
diff --git a/umbraco/presentation/umbraco/users/EditUser.aspx.cs b/umbraco/presentation/umbraco/users/EditUser.aspx.cs
index 901a73dc5b..4b6c868293 100644
--- a/umbraco/presentation/umbraco/users/EditUser.aspx.cs
+++ b/umbraco/presentation/umbraco/users/EditUser.aspx.cs
@@ -305,7 +305,7 @@ namespace umbraco.cms.presentation.user
 
             if (!IsPostBack)
             {
-                MembershipUser user = Membership.GetUser(u.LoginName, true);
+                MembershipUser user = Membership.Providers[UmbracoSettings.DefaultBackofficeProvider].GetUser(u.LoginName, true);
                 uname.Text = u.Name;
                 lname.Text = (user == null) ? u.LoginName : user.UserName;
                 email.Text = (user == null) ? u.Email : user.Email;