diff --git a/fishy/gui/main_gui.py b/fishy/gui/main_gui.py
index 6f9fdf1..207d463 100644
--- a/fishy/gui/main_gui.py
+++ b/fishy/gui/main_gui.py
@@ -61,12 +61,13 @@ def _create(gui: 'GUI'):
 
     def installer():
         if filemenu.entrycget(4, 'label') == "Remove Chalutier":
-            helper.remove_addon(chalutier[0])
-            filemenu.entryconfigure(4, label="Install Chalutier")
+            if helper.remove_addon(chalutier[0]) == 0:
+                filemenu.entryconfigure(4, label="Install Chalutier")
         else:
-            helper.install_addon(*chalutier)
-            helper.install_addon(*lam2)
-            filemenu.entryconfigure(4, label="Remove Chalutier")
+            r = helper.install_addon(*chalutier)
+            r += helper.install_addon(*lam2)
+            if r == 0:
+                filemenu.entryconfigure(4, label="Remove Chalutier")
     chaEntry = "Remove Chalutier" if helper.addon_exists(chalutier[0]) else "Install Chalutier"
     filemenu.add_command(label=chaEntry, command=installer)
     menubar.add_cascade(label="Options", menu=filemenu)
diff --git a/fishy/helper/helper.py b/fishy/helper/helper.py
index f73f154..c772edf 100644
--- a/fishy/helper/helper.py
+++ b/fishy/helper/helper.py
@@ -176,8 +176,10 @@ def install_addon(name, url, v=None):
         z = ZipFile(BytesIO(r.content))
         z.extractall(path=get_addondir())
         logging.info("Add-On "+name+" installed successfully!\nPlease make sure to enable \"Allow outdated addons\" in ESO")
+        return 0
     except Exception as ex:
         logging.error("Could not install Add-On "+name+", try doing it manually")
+        return 1
 
 
 def remove_addon(name, url=None, v=None):
@@ -186,6 +188,10 @@ def remove_addon(name, url=None, v=None):
         logging.info("Add-On "+name+" removed!")
     except FileNotFoundError:
         pass
+    except PermissionError as ex:
+        logging.error("Fishy has no permission to remove "+name+" Add-On")
+        return 1
+    return 0
 
 
 def get_documents():