diff --git a/PrinterInstaller/PrinterInstaller.iss b/PrinterInstaller/PrinterInstaller.iss
index 0615282..df602bb 100644
--- a/PrinterInstaller/PrinterInstaller.iss
+++ b/PrinterInstaller/PrinterInstaller.iss
@@ -897,7 +897,7 @@ begin
   WizardForm.ProgressGauge.Position := GaugeStep;
   WizardForm.StatusLabel.Caption    := Msg;
   WizardForm.FileNameLabel.Caption  := '';
-  Application.ProcessMessages;
+  WizardForm.Refresh;
 end;
 
 // ─── Main installation ───────────────────────────────────────────────────────
@@ -1220,7 +1220,7 @@ begin
     WizardForm.ProgressGauge.Position := WizardForm.ProgressGauge.Max;
     WizardForm.StatusLabel.Caption    := 'Installation complete.';
     WizardForm.FileNameLabel.Caption  := '';
-    Application.ProcessMessages;
+    WizardForm.Refresh;
 
     // Save log
     InstallLog.SaveToFile(LogPath);