Index: src/import-export/import-main-matcher.c
===================================================================
--- src/import-export/import-main-matcher.c	(revision 22929)
+++ src/import-export/import-main-matcher.c	(revision 22930)
@@ -42,4 +42,5 @@
 #include "import-backend.h"
 #include "import-account-matcher.h"
+#include "app-utils/gnc-component-manager.h"
 
 #define GCONF_SECTION "dialogs/import/generic_matcher/transaction_list"
@@ -146,4 +147,8 @@
         return;
 
+    /* Don't run any queries and/or split sorts while processing the matcher
+    results. */
+    gnc_suspend_gui_refresh();
+
     do
     {
@@ -192,4 +197,7 @@
     }
     g_slist_free(refs_list);
+
+    /* Allow GUI refresh again. */
+    gnc_resume_gui_refresh();
 
     gnc_gen_trans_list_delete (info);