diff --git a/lib/l10n/app_de.arb b/lib/l10n/app_de.arb
index 5923bb9..bbe24f4 100644
--- a/lib/l10n/app_de.arb
+++ b/lib/l10n/app_de.arb
@@ -428,6 +428,7 @@
       "failed": { "type": "int" }
     }
   },
+  "flowsInstallAuthWallButton": "Registry-Token einfügen",
   "flowsOpenInEditorTooltip": "YAML-Datei im Standard-Editor öffnen",
   "flowsOpenInEditorFailed": "Konnte Datei nicht öffnen: {error}",
   "@flowsOpenInEditorFailed": {
diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
index 9c566b7..3cc7081 100644
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -429,6 +429,7 @@
       "failed": { "type": "int" }
     }
   },
+  "flowsInstallAuthWallButton": "Add registry token",
   "flowsOpenInEditorTooltip": "Open the YAML file in your default editor",
   "flowsOpenInEditorFailed": "Could not open file: {error}",
   "@flowsOpenInEditorFailed": {
diff --git a/lib/l10n/app_localizations.dart b/lib/l10n/app_localizations.dart
index d22a2a0..3c9c664 100644
--- a/lib/l10n/app_localizations.dart
+++ b/lib/l10n/app_localizations.dart
@@ -1958,6 +1958,12 @@ abstract class AppLocalizations {
   /// **'{ok} installed, {failed} failed.'**
   String flowsInstallDepsAnyFailed(int ok, int failed);
 
+  /// No description provided for @flowsInstallAuthWallButton.
+  ///
+  /// In en, this message translates to:
+  /// **'Add registry token'**
+  String get flowsInstallAuthWallButton;
+
   /// No description provided for @flowsOpenInEditorTooltip.
   ///
   /// In en, this message translates to:
diff --git a/lib/l10n/app_localizations_de.dart b/lib/l10n/app_localizations_de.dart
index 569cfce..b60a03f 100644
--- a/lib/l10n/app_localizations_de.dart
+++ b/lib/l10n/app_localizations_de.dart
@@ -1109,6 +1109,9 @@ class AppLocalizationsDe extends AppLocalizations {
     return '$ok installiert, $failed fehlgeschlagen.';
   }
 
+  @override
+  String get flowsInstallAuthWallButton => 'Registry-Token einfügen';
+
   @override
   String get flowsOpenInEditorTooltip => 'YAML-Datei im Standard-Editor öffnen';
 
diff --git a/lib/l10n/app_localizations_en.dart b/lib/l10n/app_localizations_en.dart
index ab8a19d..612165f 100644
--- a/lib/l10n/app_localizations_en.dart
+++ b/lib/l10n/app_localizations_en.dart
@@ -1122,6 +1122,9 @@ class AppLocalizationsEn extends AppLocalizations {
     return '$ok installed, $failed failed.';
   }
 
+  @override
+  String get flowsInstallAuthWallButton => 'Add registry token';
+
   @override
   String get flowsOpenInEditorTooltip =>
       'Open the YAML file in your default editor';
diff --git a/lib/pages/flows.dart b/lib/pages/flows.dart
index 7dbe938..34829fc 100644
--- a/lib/pages/flows.dart
+++ b/lib/pages/flows.dart
@@ -940,6 +940,22 @@ class _InstallDependenciesDialogState
   int get _failedCount =>
       _items.where((i) => i.status == _InstallStatus.failed).length;
 
+  /// True iff at least one failure carries the v0.10.91+ HTML-instead-
+  /// of-bundle signature emitted by `download_to_temp` when the
+  /// registry redirects an unauthenticated request to a signin page.
+  /// Used to surface a contextual "Open Settings" button so the
+  /// operator does not have to read the wall of error text first.
+  bool get _anyAuthWallFailure => _items.any(
+        (i) =>
+            i.status == _InstallStatus.failed && _isAuthWallError(i.error),
+      );
+
+  static bool _isAuthWallError(String? msg) {
+    if (msg == null) return false;
+    return msg.contains('registry returned an HTML page') ||
+        msg.contains('no registry token configured');
+  }
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
@@ -986,6 +1002,18 @@ class _InstallDependenciesDialogState
         ),
       ),
       actions: [
+        if (!_running && _anyAuthWallFailure)
+          FilledButton.icon(
+            icon: const Icon(Icons.vpn_key_outlined, size: 16),
+            label: Text(l.flowsInstallAuthWallButton),
+            onPressed: () async {
+              // Close install dialog first so the operator returns
+              // to the flow card on Settings dismiss — then they
+              // can re-click the pill to retry the install.
+              Navigator.pop(context, _anySucceeded);
+              await FaiSettingsDialog.show(context);
+            },
+          ),
         TextButton(
           onPressed: _running
               ? null
diff --git a/pubspec.yaml b/pubspec.yaml
index bebe178..ceb302e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: fai_studio
 description: "F∆I Studio — desktop GUI for the F∆I hub"
 publish_to: 'none'
-version: 0.45.0
+version: 0.46.0
 
 environment:
   sdk: ^3.11.0-200.1.beta