Index: System.Data.SQLite/SQLiteLog.cs
==================================================================
--- System.Data.SQLite/SQLiteLog.cs
+++ System.Data.SQLite/SQLiteLog.cs
@@ -190,10 +190,21 @@
             EventArgs e
             )
         {
             lock (syncRoot)
             {
+                //
+                // NOTE: Remove the default log event handler.
+                //
+                RemoveDefaultHandler();
+
+                //
+                // NOTE: Disable logging.  If necessary, it can be re-enabled
+                //       later by the Initialize method.
+                //
+                _enabled = false;
+
                 //
                 // BUGBUG: This will cause serious problems if other AppDomains
                 //         have any open SQLite connections; however, there is
                 //         currently no way around this limitation.
                 //
@@ -209,10 +220,22 @@
 
                     if (rc != 0)
                         throw new SQLiteException(rc,
                             "Failed to shutdown logging.");
                 }
+
+                //
+                // BUGFIX: Make sure to reset the callback for next time.  This
+                //         must be done after it has been succesfully removed
+                //         as logging callback by the SQLite core library as we
+                //         cannot allow native code to refer to a delegate that
+                //         has been garbage collected.
+                //
+                if (_callback != null)
+                {
+                    _callback = null;
+                }
 
                 //
                 // NOTE: Remove the event handler for the DomainUnload event
                 //       that we added earlier.
                 //