diff --git a/i18n/en.pot b/i18n/en.pot
index 97e4c96..f21a7c9 100644
--- a/i18n/en.pot
+++ b/i18n/en.pot
@@ -5,8 +5,18 @@ msgstr ""
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1)\n"
-"POT-Creation-Date: 2022-11-16T12:52:56.478Z\n"
-"PO-Revision-Date: 2022-11-16T12:52:56.478Z\n"
+"POT-Creation-Date: 2024-09-26T12:27:51.211Z\n"
+"PO-Revision-Date: 2024-09-26T12:27:51.211Z\n"
+
+msgid ""
+"Your session has expired. Please refresh the page and login before trying "
+"again."
+msgstr ""
+"Your session has expired. Please refresh the page and login before trying "
+"again."
+
+msgid "An unexpected error occurred"
+msgstr "An unexpected error occurred"
 
 msgid "Version {{version}} installed"
 msgstr "Version {{version}} installed"
@@ -56,12 +66,18 @@ msgstr "App uninstalled successfully"
 msgid "Failed to uninstall app: {{errorMessage}}"
 msgstr "Failed to uninstall app: {{errorMessage}}"
 
+msgid "Installing..."
+msgstr "Installing..."
+
 msgid "Update to latest version"
 msgstr "Update to latest version"
 
 msgid "Install"
 msgstr "Install"
 
+msgid "There are no compatible versions available."
+msgstr "There are no compatible versions available."
+
 msgid "{{channel}} release {{version}}"
 msgstr "{{channel}} release {{version}}"
 
@@ -155,6 +171,9 @@ msgstr "All installed custom apps"
 msgid "Search installed custom apps"
 msgstr "Search installed custom apps"
 
+msgid "View app details"
+msgstr "View app details"
+
 msgid "Uploading..."
 msgstr "Uploading..."
 
diff --git a/src/App.js b/src/App.js
index a774a19..7792e53 100644
--- a/src/App.js
+++ b/src/App.js
@@ -12,6 +12,10 @@ import { InstalledApp } from './pages/InstalledApp/InstalledApp.js'
 import { ManualInstall } from './pages/ManualInstall/ManualInstall.js'
 import './locales/index.js'
 
+// Used to ensure we are matching the pattern of a valid app hub id, which should be a UUID version 4
+const APP_HUB_ID_REGEXP =
+    '[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}'
+
 const App = () => (
     <HashRouter>
         <QueryParamProvider
@@ -37,7 +41,10 @@ const App = () => (
                             component={InstalledApp}
                         />
                         <Route path="/app-hub" component={AppHub} />
-                        <Route path="/app/:appHubId" component={AppHubApp} />
+                        <Route
+                            path={`/app/:appHubId(${APP_HUB_ID_REGEXP})`}
+                            component={AppHubApp}
+                        />
                         <Route
                             path="/manual-install"
                             component={ManualInstall}