diff --git a/netwerk/resources/locale/en-US/security.properties b/netwerk/resources/locale/en-US/security.properties
index 5b4bb672988..abaec283674 100644
--- a/netwerk/resources/locale/en-US/security.properties
+++ b/netwerk/resources/locale/en-US/security.properties
@@ -27,7 +27,7 @@ MixedContentMessage=You have requested an encrypted page that contains some unen
 LeaveSecureMessage=You are about to leave an encrypted page. Information you send or receive from now on could easily be read by a third party.
 EnterSecureMessage=You have requested an encrypted page. The web site has identified itself correctly, and information you see or enter on this page can't easily be read by a third party.
 WeakSecureMessage=You have requested a page that uses low-grade encryption. The web site has identified itself correctly, but information you see or enter on this page could be read by a third party. 
-PostToInsecurefromSecureMessage=Although this page is encrypted, the information you have entered is to be sent over an unencrypted connection and could easily be read by a third party.##Are you sure you want to continue sending this information?##
+PostToInsecureFromSecureMessage=Although this page is encrypted, the information you have entered is to be sent over an unencrypted connection and could easily be read by a third party.##Are you sure you want to continue sending this information?##
 PostToInsecureFromInsecureMessage=The information you have entered is to be sent over an unencrypted connection and could easily be read by a third party.##Are you sure you want to continue sending this information?##
 MixedContentShowAgain=Alert me whenever I'm about to view an encrypted page that contains some unencrypted information.
 LeaveSecureShowAgain=Alert me whenever I leave an encrypted page for one that isn't encrypted. 
diff --git a/security/manager/pki/src/nsNSSDialogs.cpp b/security/manager/pki/src/nsNSSDialogs.cpp
index 1b7316d77f4..5c9c63e5d57 100644
--- a/security/manager/pki/src/nsNSSDialogs.cpp
+++ b/security/manager/pki/src/nsNSSDialogs.cpp
@@ -572,11 +572,13 @@ nsNSSDialogs::ConfirmDialog(nsIInterfaceRequestor *ctx, const char *prefName,
 
   // Get user's preference for this alert
   // prefName, showAgainName are null if there is no preference for this dialog
-  PRBool prefValue;
+  PRBool prefValue = PR_TRUE;
+  
+  if (prefName != nsnull) {
+    rv = mPref->GetBoolPref(prefName, &prefValue);
+    if (NS_FAILED(rv)) prefValue = PR_TRUE;
+  }
   
-  rv = mPref->GetBoolPref(prefName, &prefValue);
-  if (NS_FAILED(rv)) prefValue = PR_TRUE;
-
   // Stop if confirm is not requested
   if (!prefValue) {
     *_result = PR_TRUE;
@@ -594,8 +596,10 @@ nsNSSDialogs::ConfirmDialog(nsIInterfaceRequestor *ctx, const char *prefName,
                                    getter_Copies(windowTitle));
   mStringBundle->GetStringFromName(messageName,
                                    getter_Copies(message));
-  mStringBundle->GetStringFromName(showAgainName,
-                                   getter_Copies(alertMe));
+  if (showAgainName != nsnull) {
+    mStringBundle->GetStringFromName(showAgainName,
+                                     getter_Copies(alertMe));
+  }
   mStringBundle->GetStringFromName(NS_LITERAL_STRING("Continue").get(),
                                    getter_Copies(cont));
   // alertMe is allowed to be null
@@ -630,7 +634,7 @@ nsNSSDialogs::ConfirmDialog(nsIInterfaceRequestor *ctx, const char *prefName,
     *_result = PR_FALSE;
   }                                
         
-  if (!prefValue) {
+  if (!prefValue && prefName != nsnull) {
     mPref->SetBoolPref(prefName, PR_FALSE);
   }
 
diff --git a/security/manager/ssl/resources/locale/en-US/security.properties b/security/manager/ssl/resources/locale/en-US/security.properties
index 5b4bb672988..abaec283674 100644
--- a/security/manager/ssl/resources/locale/en-US/security.properties
+++ b/security/manager/ssl/resources/locale/en-US/security.properties
@@ -27,7 +27,7 @@ MixedContentMessage=You have requested an encrypted page that contains some unen
 LeaveSecureMessage=You are about to leave an encrypted page. Information you send or receive from now on could easily be read by a third party.
 EnterSecureMessage=You have requested an encrypted page. The web site has identified itself correctly, and information you see or enter on this page can't easily be read by a third party.
 WeakSecureMessage=You have requested a page that uses low-grade encryption. The web site has identified itself correctly, but information you see or enter on this page could be read by a third party. 
-PostToInsecurefromSecureMessage=Although this page is encrypted, the information you have entered is to be sent over an unencrypted connection and could easily be read by a third party.##Are you sure you want to continue sending this information?##
+PostToInsecureFromSecureMessage=Although this page is encrypted, the information you have entered is to be sent over an unencrypted connection and could easily be read by a third party.##Are you sure you want to continue sending this information?##
 PostToInsecureFromInsecureMessage=The information you have entered is to be sent over an unencrypted connection and could easily be read by a third party.##Are you sure you want to continue sending this information?##
 MixedContentShowAgain=Alert me whenever I'm about to view an encrypted page that contains some unencrypted information.
 LeaveSecureShowAgain=Alert me whenever I leave an encrypted page for one that isn't encrypted.