1 files changed, 4 insertions, 0 deletions
diff --git a/launcher/minecraft/auth/steps/MSAStep.cpp b/launcher/minecraft/auth/steps/MSAStep.cpp
index 7d28c2c8..207d9373 100644
--- a/launcher/minecraft/auth/steps/MSAStep.cpp
+++ b/launcher/minecraft/auth/steps/MSAStep.cpp
@@ -49,6 +49,10 @@ void MSAStep::rehydrate() {
 void MSAStep::perform() {
     switch(m_action) {
         case Refresh: {
+            if (m_data->msaClientID != m_clientId) {
+                emit hideVerificationUriAndCode();
+                emit finished(AccountTaskState::STATE_DISABLED, tr("Microsoft user authentication failed - client identification has changed."));
+            }
             m_oauth2->refresh();
             return;
         }