diff --git a/intl/chardet/src/classic/nsClassicCharDetDll.cpp b/intl/chardet/src/classic/nsClassicCharDetDll.cpp
index 76f5758bf2b..4bbc57fff6a 100644
--- a/intl/chardet/src/classic/nsClassicCharDetDll.cpp
+++ b/intl/chardet/src/classic/nsClassicCharDetDll.cpp
@@ -55,13 +55,17 @@ extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* aServMgr,
 
   nsIFactory *factory = nsnull;
   if (aClass.Equals(kJAClassicDetectorCID)) {
-    factory = NEW_JA_CLASSICDETECTOR_FACTORY();
+    ;
+    //bug#13844 disable this until find out the reason of the freeze
+    //factory = NEW_JA_CLASSICDETECTOR_FACTORY();
   } else if (aClass.Equals(kJAClassicStringDetectorCID)) {
     factory = NEW_JA_STRING_CLASSICDETECTOR_FACTORY();
+#if 0
   } else if (aClass.Equals(kKOClassicDetectorCID)) {
     factory = NEW_KO_CLASSICDETECTOR_FACTORY();
   } else if (aClass.Equals(kKOClassicStringDetectorCID)) {
     factory = NEW_KO_STRING_CLASSICDETECTOR_FACTORY();
+#endif
   }
 
   if(nsnull != factory) {
diff --git a/intl/chardet/src/windows/nsNativeCharDetDll.cpp b/intl/chardet/src/windows/nsNativeCharDetDll.cpp
index 92a8acbb7c6..77bf48dd8bf 100644
--- a/intl/chardet/src/windows/nsNativeCharDetDll.cpp
+++ b/intl/chardet/src/windows/nsNativeCharDetDll.cpp
@@ -55,11 +55,13 @@ extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* aServMgr,
 
   nsIFactory *factory = nsnull;
   if (aClass.Equals(kJANativeDetectorCID)) {
-    factory = NEW_JA_NATIVEDETECTOR_FACTORY();
+    ;
+    //bug#13844 disable this until find out the reason of the freeze
+    //factory = NEW_JA_NATIVEDETECTOR_FACTORY();
   } else if (aClass.Equals(kJANativeStringDetectorCID)) {
     factory = NEW_JA_STRING_NATIVEDETECTOR_FACTORY();
   } else if (aClass.Equals(kKONativeDetectorCID)) {
-    factory = NEW_KO_NATIVEDETECTOR_FACTORY();
+    ;factory = NEW_KO_NATIVEDETECTOR_FACTORY();
   } else if (aClass.Equals(kKONativeStringDetectorCID)) {
     factory = NEW_KO_STRING_NATIVEDETECTOR_FACTORY();
   }