diff --git a/core/resources/l10n/messages.properties b/core/resources/l10n/messages.properties
index c878c8a81..62199b51a 100644
--- a/core/resources/l10n/messages.properties
+++ b/core/resources/l10n/messages.properties
@@ -315,8 +315,6 @@ pref.dlg.lbl.effect1 = The effects will take place the next time you open a wind
 pref.dlg.lbl.Checkingupdates = Checking for updates...
 pref.dlg.lbl.msg1 = An error occurred while communicating with the server.
 pref.dlg.lbl.msg2 = Unable to retrieve update information
-pref.dlg.lbl.msg3 = You are running the latest version of OpenRocket.
-pref.dlg.lbl.msg4 = No updates available
 pref.dlg.PrefChoiseSelector1 = Always ask
 pref.dlg.PrefChoiseSelector2 = Insert in middle
 pref.dlg.PrefChoiseSelector3 = Add to end
@@ -333,6 +331,10 @@ generalprefs.lbl.language = Interface language
 generalprefs.languages.default = System default
 generalprefs.lbl.languageEffect = The language will change the next time you start OpenRocket.
 
+! Software update checker
+update.dlg.latestVersion = You are running the latest version of OpenRocket, version %s.
+update.dlg.latestVersion.title = No updates available
+
 
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = Run simulation
diff --git a/core/resources/l10n/messages_cs.properties b/core/resources/l10n/messages_cs.properties
index 1778c0502..fd4896d71 100644
--- a/core/resources/l10n/messages_cs.properties
+++ b/core/resources/l10n/messages_cs.properties
@@ -261,8 +261,6 @@ pref.dlg.lbl.effect1 = Projev
 pref.dlg.lbl.Checkingupdates = Kontrola aktualizací...
 pref.dlg.lbl.msg1 = Nastala chyba behem komunikace ze serverem.
 pref.dlg.lbl.msg2 = Nemohu získat informace o aktualizacích
-pref.dlg.lbl.msg3 = Je spu\u0161tena nejnovej\u0161í verze programu OpenRocket.
-pref.dlg.lbl.msg4 = Nejsou dostupné \u017Eádné aktualizace
 pref.dlg.PrefChoiseSelector1 = Poka\u017Edé se ptej
 pref.dlg.PrefChoiseSelector2 = Vlo\u017E doprostred
 pref.dlg.PrefChoiseSelector3 = Pridej na konec
@@ -275,6 +273,10 @@ PreferencesDialog.lbl.language = Jazyk rohrann
 PreferencesDialog.languages.default = Výchozí
 PreferencesDialog.lbl.languageEffect = Jazyk se zmení pri dal\u0161ím spu\u0161tení programu OpenRocket.
 
+! Software update checker
+update.dlg.latestVersion = Je spu\u0161tena nejnovej\u0161í verze programu OpenRocket, verze %s.
+update.dlg.latestVersion.title = Nejsou dostupné \u017Eádné aktualizace
+
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = Simulace be\u017Eí
 simedtdlg.but.resettodefault = Reset do výchozí hodnoty
diff --git a/core/resources/l10n/messages_de.properties b/core/resources/l10n/messages_de.properties
index 74e2c22bc..b2dab432c 100644
--- a/core/resources/l10n/messages_de.properties
+++ b/core/resources/l10n/messages_de.properties
@@ -263,8 +263,6 @@ pref.dlg.lbl.effect1 = Die 
 pref.dlg.lbl.Checkingupdates = Prüfe, ob Aktualisierungen verfügbar sind...
 pref.dlg.lbl.msg1 = Ein Fehler trat bei der Kommunikation mit dem Server auf.
 pref.dlg.lbl.msg2 = Es konnten keine Informationen über Programmaktualisierungen empfangen werden.
-pref.dlg.lbl.msg3 = Sie benutzen die neueste Version von OpenRocket.
-pref.dlg.lbl.msg4 = Keine Aktualisierungen verfügbar.
 pref.dlg.PrefChoiseSelector1 = Immer fragen
 pref.dlg.PrefChoiseSelector2 = in der Mitte einfügen
 pref.dlg.PrefChoiseSelector3 = an das Ende anhängen
@@ -277,6 +275,10 @@ PreferencesDialog.lbl.language = Sprache:
 PreferencesDialog.languages.default = Systemeinstellung
 PreferencesDialog.lbl.languageEffect = Die Sprache wird beim nächsten Neustart von OpenRocket geändert.
 
+! Software update checker
+update.dlg.latestVersion = Sie benutzen die neueste Version von OpenRocket, Version %s.
+update.dlg.latestVersion.title = Keine Aktualisierungen verfügbar
+
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = Simulation starten
 simedtdlg.but.resettodefault = Auf Standardeinstellungen zurücksetzen
diff --git a/core/resources/l10n/messages_es.properties b/core/resources/l10n/messages_es.properties
index 57a83f86a..90d7dec24 100644
--- a/core/resources/l10n/messages_es.properties
+++ b/core/resources/l10n/messages_es.properties
@@ -1683,8 +1683,6 @@ pref.dlg.lbl.Windspeed                  = Velocidad del viento:
 pref.dlg.lbl.effect1                    = Los cambios tendr\u00e1n efecto cuando se abra nuevamente el proyecto.
 pref.dlg.lbl.msg1                       = Ocurri\u00f3 un error mientras se comunicaba con el servidor.
 pref.dlg.lbl.msg2                       = Incapaz de recuperar la informaci\u00f3n de las actualizaciones
-pref.dlg.lbl.msg3                       = Usted est\u00e1 utilizando la \u00faltima versi\u00f3n de Open Rocket.
-pref.dlg.lbl.msg4                       = No hay actualizaciones disponibles
 pref.dlg.opengl.but.enableAA            = Activar el Antialiasing
 pref.dlg.opengl.but.enableGL            = Activar gr\u00e1ficos 3D
 pref.dlg.opengl.lbl.title               = Gr\u00e1ficos 3D
@@ -1704,6 +1702,10 @@ printdlg.but.preview   = Previsualizar
 printdlg.but.saveaspdf = Guardar como PDF
 printdlg.but.settings  = Configuraci\u00f3n
 
+! Software update checker
+update.dlg.latestVersion = Usted est\u00e1 utilizando la \u00faltima versi\u00f3n de Open Rocket, versi\u00f3n %s.
+update.dlg.latestVersion.title = No hay actualizaciones disponibles
+
 ringcompcfg.Automatic           = Autom\u00e1tico
 ringcompcfg.Distancefrom        = Distancia desde la l\u00ednea central del cohete:
 ringcompcfg.EngineBlock.desc    = <html>Un <b>ret\u00e9n de motor</b> impide que el motor se desplace hacia delante, por dentro del tubo porta motor.<br><br>Para a\u00f1adir un motor, cree un <b>Cuerpo tubular</b> o <b>Tubo interior</b> y des\u00edgnelo como porta motor en la pesta\u00f1a <em>Motor</em>.
diff --git a/core/resources/l10n/messages_fr.properties b/core/resources/l10n/messages_fr.properties
index 24cf6db6c..5905b3987 100644
--- a/core/resources/l10n/messages_fr.properties
+++ b/core/resources/l10n/messages_fr.properties
@@ -1674,8 +1674,6 @@ pref.dlg.lbl.Windspeed                  = Vitesse du vent
 pref.dlg.lbl.effect1                    = Les changements prendront effet la prochaine fois que vous ouvrirez une fen\u00EAtre.
 pref.dlg.lbl.msg1                       = Une erreur est survenue durant la communication avec le serveur.
 pref.dlg.lbl.msg2                       = Incapable de r\u00E9cup\u00E9rer les informations de mise \u00E0 jour
-pref.dlg.lbl.msg3                       = Vous utilisez la derni\u00E8re version d'OpenRocket.
-pref.dlg.lbl.msg4                       = Pas de mises \u00E0 jour disponible
 pref.dlg.opengl.but.enableAA            = Enable Antialiasing
 pref.dlg.opengl.but.enableGL            = Activer les graphiques 3D
 pref.dlg.opengl.lbl.title               = Graphiques 3D
@@ -1695,6 +1693,10 @@ printdlg.but.preview   = Pr\u00E9visualisation
 printdlg.but.saveaspdf = Sauvegarder en PDF
 printdlg.but.settings  = Configuration
 
+! Software update checker
+update.dlg.latestVersion = Vous utilisez la derni\u00E8re version d'OpenRocket, version %s.
+update.dlg.latestVersion.title = Pas de mises \u00E0 jour disponible
+
 ringcompcfg.Automatic           = Automatique
 ringcompcfg.Distancefrom        = Distance de l'axe central de la fus\u00E9e
 ringcompcfg.EngineBlock.desc    = <html>Un <b>bloc moteur </b> emp\u00EAche le moteur de se d\u00E9placer vers l'avant dans le tube porte moteur.<br><br>Pour ajouter un moteur, cr\u00E9er un <b>tube</b> ou un <b>tube interne</b> et marquer le comme porte moteur dans l'onglet <em>Moteur</em>.
diff --git a/core/resources/l10n/messages_it.properties b/core/resources/l10n/messages_it.properties
index d708f12a7..72ea6c69f 100644
--- a/core/resources/l10n/messages_it.properties
+++ b/core/resources/l10n/messages_it.properties
@@ -265,8 +265,6 @@ pref.dlg.lbl.effect1 = Le modifiche saranno applicate la prossima volta che apri
 pref.dlg.lbl.Checkingupdates = Controllo se ci sono aggiornamenti...
 pref.dlg.lbl.msg1 = E' avvenuto un errore mentre comunicavo col server.
 pref.dlg.lbl.msg2 = Non sono in grado di recuperare informazioni sugli aggiornamenti
-pref.dlg.lbl.msg3 = Stai usando l'ultima versione di OpenRocket.
-pref.dlg.lbl.msg4 = Non ci sono aggiornamenti disponibili
 pref.dlg.PrefChoiseSelector1 = Chiedi sempre
 pref.dlg.PrefChoiseSelector2 = Inserisci nel mezzo
 pref.dlg.PrefChoiseSelector3 = Aggiungi alla fine
@@ -279,6 +277,10 @@ PreferencesDialog.lbl.language = Lingua dell'interfaccia:
 PreferencesDialog.languages.default = Predefinita di sistema
 PreferencesDialog.lbl.languageEffect = La lingua sara' cambiata la prossima volta che avvierai OpenRocket.
 
+! Software update checker
+update.dlg.latestVersion = Stai usando l'ultima versione di OpenRocket, versione %s.
+update.dlg.latestVersion.title = Non ci sono aggiornamenti disponibili
+
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = Avvia simulazione
 simedtdlg.but.resettodefault = Riporta ai predefiniti
diff --git a/core/resources/l10n/messages_ja.properties b/core/resources/l10n/messages_ja.properties
index 0f31a5a5d..848e3b0d3 100644
--- a/core/resources/l10n/messages_ja.properties
+++ b/core/resources/l10n/messages_ja.properties
@@ -262,8 +262,6 @@ pref.dlg.lbl.effect1  = \u5909\u66F4\u306F\u30BD\u30D5\u30C8\u306E\u518D\u8D77\u
 pref.dlg.lbl.Checkingupdates  = \u30A2\u30C3\u30D7\u30C7\u30FC\u30C8\u306E\u78BA\u8A8D\u4E2D\u2026
 pref.dlg.lbl.msg1  = \u30B5\u30FC\u30D0\u30FC\u3068\u306E\u901A\u4FE1\u30A8\u30E9\u30FC
 pref.dlg.lbl.msg2  = \u30A2\u30C3\u30D7\u30C7\u30FC\u30C8\u60C5\u5831\u306E\u8AAD\u307F\u51FA\u3057\u304C\u3067\u304D\u307E\u305B\u3093
-pref.dlg.lbl.msg3  = \u3053\u306EOpenRocket\u306F\u6700\u65B0\u7248\u3067\u3059
-pref.dlg.lbl.msg4  = \u30A2\u30C3\u30D7\u30C7\u30FC\u30C8\u304C\u5229\u7528\u3067\u304D\u307E\u305B\u3093
 pref.dlg.PrefChoiseSelector1  = \u5E38\u306B\u78BA\u8A8D
 pref.dlg.PrefChoiseSelector2  = \u4E2D\u5FC3\u306B\u8FFD\u52A0
 pref.dlg.PrefChoiseSelector3  = \u7AEF\u306B\u8FFD\u52A0
@@ -276,6 +274,10 @@ PreferencesDialog.lbl.language  = \u8A00\u8A9E\uFF1A
 PreferencesDialog.languages.default  = \u30B7\u30B9\u30C6\u30E0\u8A00\u8A9E
 PreferencesDialog.lbl.languageEffect  = \u8A00\u8A9E\u306F\u518D\u8D77\u52D5\u6642\u306B\u5909\u66F4\u3055\u308C\u307E\u3059
 
+! Software update checker
+update.dlg.latestVersion = \u3053\u306EOpenRocket\u306F\u6700\u65B0\u7248\u3067\u3059: %s.
+update.dlg.latestVersion.title = \u30A2\u30C3\u30D7\u30C7\u30FC\u30C8\u304C\u5229\u7528\u3067\u304D\u307E\u305B\u3093
+
 ! Simulation edit dialog
 simedtdlg.but.runsimulation  = \u30B7\u30DF\u30E5\u30EC\u30FC\u30B7\u30E7\u30F3\u306E\u5B9F\u884C
 simedtdlg.but.resettodefault  = \u30C7\u30D5\u30A9\u30EB\u30C8\u306B\u623B\u3059
diff --git a/core/resources/l10n/messages_nl.properties b/core/resources/l10n/messages_nl.properties
index 63724ddfd..596c9facf 100644
--- a/core/resources/l10n/messages_nl.properties
+++ b/core/resources/l10n/messages_nl.properties
@@ -313,8 +313,6 @@ pref.dlg.lbl.effect1 = De effecten treden in werking de volgende keer dat u een
 pref.dlg.lbl.Checkingupdates = Controleren op updates...
 pref.dlg.lbl.msg1 = Er is een fout opgetreden tijdens de communicatie met de server.
 pref.dlg.lbl.msg2 = Kan update-informatie niet ophalen
-pref.dlg.lbl.msg3 = U gebruikt de laatste versie van OpenRocket.
-pref.dlg.lbl.msg4 = Geen updates beschikbaar
 pref.dlg.PrefChoiseSelector1 = Altijd vragen
 pref.dlg.PrefChoiseSelector2 = Toevoegen in het midden
 pref.dlg.PrefChoiseSelector3 = Toevoegen aan het einde
@@ -331,6 +329,9 @@ generalprefs.lbl.language = Interface taal
 generalprefs.languages.default = Systeemstandaard
 generalprefs.lbl.languageEffect = De taal zal veranderen de volgende keer dat u OpenRocket start.
 
+! Software update checker
+update.dlg.latestVersion = U gebruikt de laatste versie van OpenRocket, versie %s.
+update.dlg.latestVersion.title = Geen updates beschikbaar
 
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = Simulatie uitvoeren
diff --git a/core/resources/l10n/messages_pl.properties b/core/resources/l10n/messages_pl.properties
index 1c753223e..efa5a887a 100644
--- a/core/resources/l10n/messages_pl.properties
+++ b/core/resources/l10n/messages_pl.properties
@@ -262,9 +262,7 @@
  pref.dlg.lbl.effect1  =  Zmiany zostan\u0105 wprowadzone przy otwarciu kolejnego okna.
  pref.dlg.lbl.Checkingupdates  =  Wyszukiwanie aktualizacji...
  pref.dlg.lbl.msg1  =  Wyst\u0105pi\u0142 b\u0142\u0105d podczas komunikacji z serwerem.
- pref.dlg.lbl.msg2  =  Nie mo\u017Cna uzyska\u0107 informacji o aktualizacji
- pref.dlg.lbl.msg3  =  Korzystasz z najnowszej wersji OpenRocket.
- pref.dlg.lbl.msg4  =  Brak dost\u0119pnych aktualizacji
+ pref.dlg.lbl.msg2  =  Nie mo\u017Cna uzyska\u0107 informacji o aktualizacji 
  pref.dlg.PrefChoiseSelector1  =  Zawsze pytaj
  pref.dlg.PrefChoiseSelector2  =  Wstaw w \u015Brodku
  pref.dlg.PrefChoiseSelector3  =  Dodaj na ko\u0144cu
@@ -276,7 +274,11 @@
  PreferencesDialog.lbl.language  =  J\u0119zyk programu:
  PreferencesDialog.languages.default  =  Domy\u015Blny j\u0119zyk systemu
  PreferencesDialog.lbl.languageEffect  =  Nowy j\u0119zyk zostanie ustawiony przy kolejnym uruchomieniu OpenRocket.
- 
+
+! Software update checker
+update.dlg.latestVersion = Korzystasz z najnowszej wersji OpenRocket: %s.
+update.dlg.latestVersion.title = Brak dost\u0119pnych aktualizacji
+
  ! Simulation edit dialog
  simedtdlg.but.runsimulation  =  Przeprowad\u017A symulacj\u0119
  simedtdlg.but.resettodefault  =  Przywró\u0107 domy\u015Blny
diff --git a/core/resources/l10n/messages_pt.properties b/core/resources/l10n/messages_pt.properties
index c75a72c28..30b6bdb99 100644
--- a/core/resources/l10n/messages_pt.properties
+++ b/core/resources/l10n/messages_pt.properties
@@ -1634,8 +1634,6 @@ pref.dlg.lbl.Windspeed                  = Velocidade do vento
 pref.dlg.lbl.effect1                    = Os efeitos ter\u00e1 lugar na pr\u00f3xima vez que abrir uma janela.
 pref.dlg.lbl.msg1                       = Ocorreu um erro durante a comunica\u00e7\u00e3o com o servidor.
 pref.dlg.lbl.msg2                       = N\u00e3o \u00e9 poss\u00edvel recuperar informa\u00e7\u00f5es de atualiza\u00e7\u00e3o.
-pref.dlg.lbl.msg3                       = Voc\u00ea est\u00e1 executando a vers\u00e3o mais recente do OpenRocket.
-pref.dlg.lbl.msg4                       = N\u00e3o h\u00e1 atualiza\u00e7\u00f5es dispon\u00edveis
 pref.dlg.tab.Custommaterials            = Materiais personalizados
 pref.dlg.tab.DecalEditor                = Editor Gr\u00e1fico
 pref.dlg.tab.Defaultunits               = Unidades padr\u00e3o
@@ -1650,6 +1648,10 @@ printdlg.but.preview   = Visualizar
 printdlg.but.saveaspdf = Salvar como PDF
 printdlg.but.settings  = Configura\u00e7\u00f5es
 
+! Software update checker
+update.dlg.latestVersion = Voc\u00ea est\u00e1 executando a vers\u00e3o mais recente do OpenRocket, vers\u00e3o %s.
+update.dlg.latestVersion.title = N\u00e3o h\u00e1 atualiza\u00e7\u00f5es dispon\u00edveis
+
 ringcompcfg.Automatic           = Autom\u00e1tico
 ringcompcfg.Distancefrom        = Dist\u00e2ncia a partir da linha de centro do foguete
 ringcompcfg.EngineBlock.desc    = <html>Um <b>bloco do motor</b> p\u00e1ra o motor de se mover para a frente no tubo de montagem do motor.<br><br>Para adicionar um motor, criar um <b>tubo de corpo</b> ou <b>tubo interno</b> e marc\u00e1-lo como uma montagem do motor na aba <em>Motor</em>.
diff --git a/core/resources/l10n/messages_ru.properties b/core/resources/l10n/messages_ru.properties
index e15fe4aad..2f44b38f9 100644
--- a/core/resources/l10n/messages_ru.properties
+++ b/core/resources/l10n/messages_ru.properties
@@ -299,8 +299,6 @@ pref.dlg.lbl.effect1 = \u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u
 pref.dlg.lbl.Checkingupdates = \u041f\u043e\u0438\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439...
 pref.dlg.lbl.msg1 = \u041f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0441 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0430 \u043e\u0448\u0438\u0431\u043a\u0430.
 pref.dlg.lbl.msg2 = \u041d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445.
-pref.dlg.lbl.msg3 = \u0412\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442\u0435 \u0432 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 OpenRocket.
-pref.dlg.lbl.msg4 = \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d\u043e.
 pref.dlg.PrefChoiseSelector1 = \u0412\u0441\u0435\u0433\u0434\u0430 \u0441\u043f\u0440\u0430\u0448\u0438\u0432\u0430\u0442\u044c
 pref.dlg.PrefChoiseSelector2 = \u0412\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u0432 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0443
 pref.dlg.PrefChoiseSelector3 = \u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c \u0432 \u043a\u043e\u043d\u0435\u0446
@@ -313,6 +311,10 @@ PreferencesDialog.lbl.language = \u042f\u0437\u044b\u043a \u0438\u043d\u0442\u04
 PreferencesDialog.languages.default = \u0421\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0439
 PreferencesDialog.lbl.languageEffect = \u042f\u0437\u044b\u043a \u0441\u043c\u0435\u043d\u0438\u0442\u0441\u044f \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0435 OpenRocket.
 
+! Software update checker
+update.dlg.latestVersion = \u0412\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442\u0435 \u0432 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 OpenRocket: %s.
+update.dlg.latestVersion.title = \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d\u043e.
+
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = \u0412\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0440\u0430\u0441\u0447\u0435\u0442
 simedtdlg.but.resettodefault = \u0412\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e
diff --git a/core/resources/l10n/messages_uk_UA.properties b/core/resources/l10n/messages_uk_UA.properties
index 9b82087fb..7156a090d 100644
--- a/core/resources/l10n/messages_uk_UA.properties
+++ b/core/resources/l10n/messages_uk_UA.properties
@@ -301,8 +301,6 @@ pref.dlg.lbl.effect1 = The effects will take place the next time you open a wind
 pref.dlg.lbl.Checkingupdates = Checking for updates...
 pref.dlg.lbl.msg1 = An error occurred while communicating with the server.
 pref.dlg.lbl.msg2 = Unable to retrieve update information
-pref.dlg.lbl.msg3 = You are running the latest version of OpenRocket.
-pref.dlg.lbl.msg4 = No updates available
 pref.dlg.PrefChoiseSelector1 = Always ask
 pref.dlg.PrefChoiseSelector2 = Insert in middle
 pref.dlg.PrefChoiseSelector3 = Add to end
@@ -315,6 +313,10 @@ PreferencesDialog.lbl.language = Interface language:
 PreferencesDialog.languages.default = System default
 PreferencesDialog.lbl.languageEffect = The language will change the next time you start OpenRocket.
 
+! Software update checker
+update.dlg.latestVersion = You are running the latest version of OpenRocket, version %s.
+update.dlg.latestVersion.title = No updates available
+
 ! Simulation edit dialog
 simedtdlg.but.runsimulation = Run simulation
 simedtdlg.but.resettodefault = Reset to default
diff --git a/core/resources/l10n/messages_zh_CN.properties b/core/resources/l10n/messages_zh_CN.properties
index 429c17466..99d193537 100644
--- a/core/resources/l10n/messages_zh_CN.properties
+++ b/core/resources/l10n/messages_zh_CN.properties
@@ -1764,8 +1764,6 @@ pref.dlg.lbl.Windspeed                  = \u98CE\u901F
 pref.dlg.lbl.effect1                    = \u66F4\u6539\u5C06\u5728\u4E0B\u6B21\u542F\u52A8\u7A97\u53E3\u540E\u751F\u6548
 pref.dlg.lbl.msg1                       = \u8FDE\u63A5\u5230\u670D\u52A1\u5668\u662F\u53D1\u751F\u9519\u8BEF
 pref.dlg.lbl.msg2                       = \u65E0\u6CD5\u83B7\u53D6\u66F4\u65B0\u4FE1\u606F
-pref.dlg.lbl.msg3                       = \u60A8\u4F7F\u7528\u7684\u5DF2\u7ECF\u662FOpenRocket\u6700\u65B0\u7248\u672C
-pref.dlg.lbl.msg4                       = \u65E0\u53EF\u7528\u66F4\u65B0
 pref.dlg.opengl.but.enableAA            = \u542F\u7528\u53CD\u952F\u9F7F
 pref.dlg.opengl.but.enableGL            = \u542F\u7528\u4E09\u7EF4\u56FE\u50CF
 pref.dlg.opengl.lbl.title               = \u4E09\u7EF4\u56FE\u50CF
@@ -1788,6 +1786,10 @@ printdlg.but.preview   = \u9884\u89C8
 printdlg.but.saveaspdf = \u4FDD\u5B58\u4E3A PDF
 printdlg.but.settings  = \u8BBE\u7F6E
 
+! Software update checker
+update.dlg.latestVersion = \u60A8\u4F7F\u7528\u7684\u5DF2\u7ECF\u662FOpenRocket\u6700\u65B0\u7248\u672C: %s.
+update.dlg.latestVersion.title = \u65E0\u53EF\u7528\u66F4\u65B0
+
 ringcompcfg.Automatic           = \u81EA\u52A8
 ringcompcfg.Distancefrom        = \u5230\u706B\u7BAD\u4E2D\u5FC3\u7EBF\u7684\u8DDD\u79BB
 ringcompcfg.EngineBlock.desc    = <html><b>\u53D1\u52A8\u673A\u5EA7</b>\u7528\u4E8E\u9632\u6B62\u53D1\u52A8\u673A\u5411\u524D\u7A9C\u51FA\u7BAD\u4F53.<br><br>\u6DFB\u52A0\u53D1\u52A8\u673A\u524D\u8BF7\u5148\u6DFB\u52A0<b>\u7BAD\u4F53</b>\u6216<b>\u5185\u7BA1</b>\u5E76\u5728<em>\u53D1\u52A8\u673A</em>\u9875\u9762\u4E0A\u6807\u8BB0\u4E3A\u53D1\u52A8\u673A\u5EA7.