diff --git a/classes/admincontroller.php b/classes/admincontroller.php
index 95295ac5..45758e37 100644
--- a/classes/admincontroller.php
+++ b/classes/admincontroller.php
@@ -1100,7 +1100,11 @@ class AdminController extends AdminBaseController
         try {
             $result = Gpm::install($package, ['theme' => $type === 'theme']);
         } catch (\Exception $e) {
-            $this->admin->json_response = ['status' => 'error', 'message' => $e->getMessage()];
+            $msg = $e->getMessage();
+            $msg = Utils::contains($msg, '401 Unauthorized') ? "ERROR: Authorization failed for this resource" : $msg;
+            $msg = Utils::contains($msg, '404 Not Found') ? "ERROR: Resource not found" : $msg;
+
+            $this->admin->json_response = ['status' => 'error', 'message' => $msg];
 
             return false;
         }