diff --git a/engine/templates/windows/installer-beta.iss b/engine/templates/windows/installer-beta.iss
index 1127e1b97..56feecd6e 100644
--- a/engine/templates/windows/installer-beta.iss
+++ b/engine/templates/windows/installer-beta.iss
@@ -50,7 +50,7 @@ begin
 
   // Download llamacpp engine by default
   CortexInstallCmd := Format('"%s\cortex-beta.exe" engines install cortex.llamacpp', [ExpandedAppDir]);
-  Exec('cmd.exe', '/C ' + CortexInstallCmd, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);
+  Exec('cmd.exe', '/C ' + CortexInstallCmd, '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
 
   // Clear the status message after completion
   WizardForm.StatusLabel.Caption := '';
diff --git a/engine/templates/windows/installer-nightly.iss b/engine/templates/windows/installer-nightly.iss
index 38d8a5903..9e5ce68d0 100644
--- a/engine/templates/windows/installer-nightly.iss
+++ b/engine/templates/windows/installer-nightly.iss
@@ -50,7 +50,7 @@ begin
 
   // Download llamacpp engine by default
   CortexInstallCmd := Format('"%s\cortex-nightly.exe" engines install cortex.llamacpp', [ExpandedAppDir]);
-  Exec('cmd.exe', '/C ' + CortexInstallCmd, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);
+  Exec('cmd.exe', '/C ' + CortexInstallCmd, '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
 
   // Clear the status message after completion
   WizardForm.StatusLabel.Caption := '';
diff --git a/engine/templates/windows/installer.iss b/engine/templates/windows/installer.iss
index a9e4e10ca..32a0dfe09 100644
--- a/engine/templates/windows/installer.iss
+++ b/engine/templates/windows/installer.iss
@@ -50,7 +50,7 @@ begin
 
   // Download llamacpp engine by default
   CortexInstallCmd := Format('"%s\cortex.exe" engines install cortex.llamacpp', [ExpandedAppDir]);
-  Exec('cmd.exe', '/C ' + CortexInstallCmd, '', SW_SHOW, ewWaitUntilTerminated, ResultCode);
+  Exec('cmd.exe', '/C ' + CortexInstallCmd, '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
 
   // Clear the status message after completion
   WizardForm.StatusLabel.Caption := '';