diff --git a/localization/qt-nl_NL.ts b/localization/qt-nl_NL.ts
index 8ea4440cf..fcf97f383 100644
--- a/localization/qt-nl_NL.ts
+++ b/localization/qt-nl_NL.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.0" language="nl">
+<TS version="2.0" language="nl_NL">
 <context>
     <name>QApplication</name>
     <message>
diff --git a/localization/rssguard-cs_CZ.ts b/localization/rssguard-cs_CZ.ts
index 0c182c800..00d904dbf 100644
--- a/localization/rssguard-cs_CZ.ts
+++ b/localization/rssguard-cs_CZ.ts
@@ -1478,10 +1478,6 @@ Autoři této aplikace nenesou žádnou odpovědnost za ztrátu Vašich dat.</tr
         <source>unknown</source>
         <translation type="unfinished"></translation>
     </message>
-    <message>
-        <source>Connection error occurred.</source>
-        <translation type="unfinished"></translation>
-    </message>
     <message>
         <source>List with updates was not
 downloaded successfully.</source>
@@ -1501,12 +1497,16 @@ downloaded and installed.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>No new releases available.</source>
+        <source>Error: &apos;%1&apos;.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>No new release available.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <source>This release is not newer than
-currently installed one..</source>
+currently installed one.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -1803,6 +1803,14 @@ Status auto-aktualizace: %5</translation>
         <source>unknown error</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>authentication failed</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>content not found</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>ShortcutCatcher</name>
diff --git a/localization/rssguard-en_GB.ts b/localization/rssguard-en_GB.ts
index b84a37234..d9d87452f 100644
--- a/localization/rssguard-en_GB.ts
+++ b/localization/rssguard-en_GB.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.0" language="en_US">
+<TS version="2.0" language="en_GB">
 <context>
     <name>CornerButton</name>
     <message>
@@ -1460,10 +1460,6 @@ Authors of this application are NOT responsible for lost data.</source>
         <source>unknown</source>
         <translation type="unfinished"></translation>
     </message>
-    <message>
-        <source>Connection error occurred.</source>
-        <translation type="unfinished"></translation>
-    </message>
     <message>
         <source>List with updates was not
 downloaded successfully.</source>
@@ -1483,12 +1479,16 @@ downloaded and installed.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>No new releases available.</source>
+        <source>Error: &apos;%1&apos;.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>No new release available.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <source>This release is not newer than
-currently installed one..</source>
+currently installed one.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -1776,6 +1776,14 @@ Auto-update status: %5</source>
         <source>unknown error</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>authentication failed</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>content not found</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>ShortcutCatcher</name>
diff --git a/localization/rssguard-nl_NL.ts b/localization/rssguard-nl_NL.ts
index 71934d25a..0f105c7d3 100644
--- a/localization/rssguard-nl_NL.ts
+++ b/localization/rssguard-nl_NL.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.0" language="nl">
+<TS version="2.0" language="nl_NL">
 <context>
     <name>CornerButton</name>
     <message>
@@ -1478,10 +1478,6 @@ Auteurs van Rssguard zijn NIET verantwoordelijk voor verlies van gegevens.</tran
         <source>unknown</source>
         <translation type="unfinished"></translation>
     </message>
-    <message>
-        <source>Connection error occurred.</source>
-        <translation type="unfinished"></translation>
-    </message>
     <message>
         <source>List with updates was not
 downloaded successfully.</source>
@@ -1501,12 +1497,16 @@ downloaded and installed.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>No new releases available.</source>
+        <source>Error: &apos;%1&apos;.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>No new release available.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <source>This release is not newer than
-currently installed one..</source>
+currently installed one.</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -1801,6 +1801,14 @@ Status automatisch bijwerken: %5</translation>
         <source>unknown error</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>authentication failed</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>content not found</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>ShortcutCatcher</name>