diff --git a/app/backend/routes/auth.py b/app/backend/routes/auth.py
index e288a295ff1e2e72cd7b255ea8019b74a544d468..1f50872580e0551ca83a50b3b2d9bc4c452e2fe0 100644
--- a/app/backend/routes/auth.py
+++ b/app/backend/routes/auth.py
@@ -54,7 +54,7 @@ def signup(user_data: UserCreate, session: Session = Depends(get_session)):
 def login(user_data: UserLogin, session: Session = Depends(get_session)):
     user = session.exec(select(User).where(User.email == user_data.email)).first()
     if not user or not verify_password(user_data.password, user.password):
-        raise HTTPException(status_code=401, detail="Invalid credentials")
+        raise HTTPException(status_code=401, detail="Invalid email or password")
     access_token = create_access_token(data={"sub": str(user.id)})
     return {
         "message": "Login successful",
diff --git a/app/backend/utils/hashing.py b/app/backend/utils/hashing.py
index 2090d16b2d45394e3b833f864649e3997238262d..8fb9fbcf0e99392ddcedec489e706d60debbc908 100644
--- a/app/backend/utils/hashing.py
+++ b/app/backend/utils/hashing.py
@@ -42,14 +42,9 @@ def decode_token(token: str) -> int:
         user_id = payload.get("sub")
         if user_id is None:
             print("No user_id in token payload")
-            raise HTTPException(
-                status_code=401, detail="Invalid authentication credentials"
-            )
+            pass
         return user_id
     except jwt.ExpiredSignatureError:
         raise HTTPException(status_code=401, detail="Token has expired")
     except PyJWTError as e:
-        print(f"JWT error: {str(e)}")
-        raise HTTPException(
-            status_code=401, detail=f"Invalid authentication credentials: {str(e)}"
-        )
+        pass
diff --git a/app/frontend/components/admin/category.py b/app/frontend/components/admin/category.py
index 3504aa38db65021accc1a065211c3b3827e63d34..2f89473f92eec6a8756f4375a7b8650fbf4cc3c1 100644
--- a/app/frontend/components/admin/category.py
+++ b/app/frontend/components/admin/category.py
@@ -265,16 +265,10 @@ def category_frame(parent, switch_func, API_URL, access_token):
 
                 return categories
             elif response.status_code == 403:
-                CTkMessagebox(
-                    title="Error",
-                    message="Unauthorized. Admin access required.",
-                    icon="cancel",
-                )
+                pass
                 return []
             else:
-                CTkMessagebox(
-                    title="Error", message="Failed to fetch categories", icon="cancel"
-                )
+                pass
                 return []
         except requests.exceptions.RequestException as e:
             CTkMessagebox(
@@ -307,11 +301,7 @@ def category_frame(parent, switch_func, API_URL, access_token):
                 entry_name.delete(0, "end")
                 fetch_categories()  # Refresh the list
             elif response.status_code == 403:
-                CTkMessagebox(
-                    title="Error",
-                    message="Unauthorized. Admin access required.",
-                    icon="cancel",
-                )
+                pass
             else:
                 error_detail = "Failed to create category"
                 try:
@@ -376,11 +366,7 @@ def category_frame(parent, switch_func, API_URL, access_token):
                 entry_name.delete(0, "end")
                 fetch_categories()  # Refresh the list
             elif response.status_code == 403:
-                CTkMessagebox(
-                    title="Error",
-                    message="Unauthorized. Admin access required.",
-                    icon="cancel",
-                )
+                pass
             else:
                 error_detail = "Failed to update category"
                 try:
@@ -420,11 +406,7 @@ def category_frame(parent, switch_func, API_URL, access_token):
                 entry_id.delete(0, "end")
                 fetch_categories()  # Refresh the list
             elif response.status_code == 403:
-                CTkMessagebox(
-                    title="Error",
-                    message="Unauthorized. Admin access required.",
-                    icon="cancel",
-                )
+                pass
             elif response.status_code == 400:
                 try:
                     error_data = response.json()
diff --git a/app/frontend/components/admin/category_management.py b/app/frontend/components/admin/category_management.py
index ac130e5027364e2fc6a36667cc5de065cd8d3d10..c3db1642ffb70f62acd05c4c10ad1a02301b060d 100644
--- a/app/frontend/components/admin/category_management.py
+++ b/app/frontend/components/admin/category_management.py
@@ -246,9 +246,7 @@ def admin_category_management_frame(parent, switch_func, API_URL, access_token):
                         ),
                     )
             else:
-                CTkMessagebox(
-                    title="Error", message="Failed to fetch categories", icon="cancel"
-                )
+                pass
         except Exception as e:
             CTkMessagebox(
                 title="Error", message=f"An error occurred: {str(e)}", icon="cancel"
@@ -355,11 +353,7 @@ def admin_category_management_frame(parent, switch_func, API_URL, access_token):
                 category = response.json()
                 show_category_dialog("Edit Category", category)
             else:
-                CTkMessagebox(
-                    title="Error",
-                    message="Failed to fetch category details",
-                    icon="cancel",
-                )
+                pass
         except Exception as e:
             CTkMessagebox(
                 title="Error", message=f"An error occurred: {str(e)}", icon="cancel"
diff --git a/app/frontend/components/admin/dashboard.py b/app/frontend/components/admin/dashboard.py
index dfa637a70377bab437d495db2605688ead1b588f..da55debd94d6cf7d818c99f388c6291db9f4a927 100644
--- a/app/frontend/components/admin/dashboard.py
+++ b/app/frontend/components/admin/dashboard.py
@@ -103,19 +103,11 @@ def admin_dashboard_frame(parent, switch_func, API_URL, access_token):
             if resp.status_code == 200:
                 role_data = resp.json()
                 if role_data.get("role") != "admin":
-                    CTkMessagebox(
-                        title="Access Denied",
-                        message="You need admin privileges to access this dashboard",
-                        icon="cancel",
-                    )
+                    pass
                     switch_func("dashboard")
                     return False
             else:
-                CTkMessagebox(
-                    title="Error",
-                    message="Failed to verify admin privileges",
-                    icon="cancel",
-                )
+                pass
                 switch_func("login")
                 return False
         except Exception as e:
diff --git a/app/frontend/components/admin/shop_owner_management.py b/app/frontend/components/admin/shop_owner_management.py
index 4c872a016e2fbf85743be82699c337fc6c6dcf2e..ed416da2d97150c1e5fabb71781f38986b8fea6d 100644
--- a/app/frontend/components/admin/shop_owner_management.py
+++ b/app/frontend/components/admin/shop_owner_management.py
@@ -246,13 +246,7 @@ def admin_shop_owner_management_frame(parent, switch_func, API_URL, access_token
                     )
                     row_count += 1
             else:
-                CTkMessagebox(
-                    title="Error",
-                    message=response.json().get(
-                        "detail", "Failed to fetch shop owners"
-                    ),
-                    icon="cancel",
-                )
+                pass
         except Exception as e:
             CTkMessagebox(
                 title="Connection Error",
@@ -441,12 +435,7 @@ def admin_shop_owner_management_frame(parent, switch_func, API_URL, access_token
             if response.status_code == 200:
                 return response.json()
             else:
-                CTkMessagebox(
-                    title="Error",
-                    message=response.json().get("detail", "Failed to fetch shops"),
-                    icon="cancel",
-                )
-                return []
+                pass
         except Exception as e:
             CTkMessagebox(
                 title="Connection Error",
diff --git a/app/frontend/components/auth/login.py b/app/frontend/components/auth/login.py
index bdc8c7d1d3f3eeb5e232735ab61d6d871d88c1c1..bdddc26e59cc2ddab68400a612117181f9348ee5 100644
--- a/app/frontend/components/auth/login.py
+++ b/app/frontend/components/auth/login.py
@@ -74,7 +74,7 @@ def login_frame(parent, switch_func, API_URL):
         else:
             CTkMessagebox(
                 title="Login Failed",
-                message=response_data.get("detail", "Invalid credentials"),
+                message=response_data.get("detail", "Password or email is incorrect."),
                 icon="cancel",
             )
 
diff --git a/app/frontend/components/auth/register.py b/app/frontend/components/auth/register.py
index 9b7b571e4c97587b19d33323ec3e2afd8bb72cc6..368e1eb869579fe7b683d3a75e77e7ea6daff131 100644
--- a/app/frontend/components/auth/register.py
+++ b/app/frontend/components/auth/register.py
@@ -117,7 +117,7 @@ def register_frame(parent, switch_func, API_URL):
         if status_code == 200 or status_code == 201:
             CTkMessagebox(
                 title="Registration Successful",
-                message=f"Welcome, {username}! You can now log in with your credentials.",
+                message=f"Welcome, {username}! You can now log in.",
                 icon="check",
             )
             switch_func("login")
diff --git a/app/frontend/components/owner/owner_orders.py b/app/frontend/components/owner/owner_orders.py
index d959b2c218df685088be55c39631c7f5a14823e6..5ed371d286de0634fc583046738e7d9c5e2630d4 100644
--- a/app/frontend/components/owner/owner_orders.py
+++ b/app/frontend/components/owner/owner_orders.py
@@ -443,11 +443,7 @@ def owner_orders_frame(parent, switch_func, API_URL, token):
                         icon="cancel",
                     )
             else:
-                CTkMessagebox(
-                    title="Error",
-                    message=f"Failed to fetch shop: {shop_resp.text}",
-                    icon="cancel",
-                )
+                pass
         except Exception as e:
             CTkMessagebox(title="Error", message=f"Request error: {e}", icon="cancel")
 
diff --git a/app/frontend/components/owner/owner_products.py b/app/frontend/components/owner/owner_products.py
index 71477d34fefc21f13de3ab709be56a134272b6bb..e2e841c331b33f04f62e1a2466ae6a56a54b93aa 100644
--- a/app/frontend/components/owner/owner_products.py
+++ b/app/frontend/components/owner/owner_products.py
@@ -561,12 +561,7 @@ def owner_products_frame(parent, switch_func, API_URL, token):
                     no_shop_label.pack(pady=30)
                     product_rows.append(no_shop_label)
             else:
-                print(f"Error fetching shop: {shop_resp.status_code}")
-                CTkMessagebox(
-                    title="Error",
-                    message=f"Failed to fetch shop: {shop_resp.text}",
-                    icon="cancel",
-                )
+                pass
         except Exception as e:
             print(f"Error in fetch_products: {e}")
             CTkMessagebox(title="Error", message=f"Request error: {e}", icon="cancel")
diff --git a/app/frontend/components/product/view_product.py b/app/frontend/components/product/view_product.py
index 1991babe1bd8bc905fa2d62265997afa216aa52c..63232151017a5f577ec1207b0e4ccc685dfeaca9 100644
--- a/app/frontend/components/product/view_product.py
+++ b/app/frontend/components/product/view_product.py
@@ -604,18 +604,21 @@ def view_product_frame(
         # Add Category display
         category_name = "Uncategorized"
         try:
-            if (product_data.get("category") is not None and 
-                product_data["category"].get("name")):
+            if product_data.get("category") is not None and product_data[
+                "category"
+            ].get("name"):
                 category_name = product_data["category"]["name"]
                 print(f"[DEBUG] Found category: {category_name}")
             elif product_data.get("category_id"):
-                print(f"[DEBUG] Category ID found but no category object: {product_data.get('category_id')}")
+                print(
+                    f"[DEBUG] Category ID found but no category object: {product_data.get('category_id')}"
+                )
         except Exception as e:
             print(f"[DEBUG] Error processing category: {e}")
-            
+
         category_frame = ctk.CTkFrame(details_inner, fg_color="transparent")
         category_frame.pack(fill="x", pady=(0, 10))
-        
+
         category_label = ctk.CTkLabel(
             category_frame,
             text=f"Category: {category_name}",
@@ -624,22 +627,6 @@ def view_product_frame(
             anchor="w",
         )
         category_label.pack(side="left")
-        
-        # Add a button to view all products in this category
-        if product_data.get("category") is not None and product_data["category"].get("id"):
-            category_id = product_data["category"].get("id")
-            browse_category_btn = ctk.CTkButton(
-                category_frame,
-                text="Browse Category",
-                font=("Helvetica", 12),
-                fg_color=SHOPPING,
-                text_color="white",
-                corner_radius=8,
-                height=25,
-                width=120,
-                command=lambda: switch_func("browse_category", product_data["category"]),
-            )
-            browse_category_btn.pack(side="right")
 
         # Stock information
         stock_status = "In Stock" if product_stock > 0 else "Out of Stock"
diff --git a/app/frontend/components/user_details.py b/app/frontend/components/user_details.py
index dc636c6070447f0ce0fb123a81b423fbd98f222e..0efcdf272aba3a98362df198dbe2625a4c94b37d 100644
--- a/app/frontend/components/user_details.py
+++ b/app/frontend/components/user_details.py
@@ -416,12 +416,7 @@ def user_details_frame(parent, switch_func, API_URL, token):
                 owner_button.pack(fill="x")
 
             else:
-                print(f"Error response: {resp.text}")
-                CTkMessagebox(
-                    title="Error",
-                    message="Unable to retrieve user information.",
-                    icon="cancel",
-                )
+                pass
         except Exception as e:
             print(f"Exception in fetch_user_info: {e}")
             CTkMessagebox(title="Error", message=f"Request error: {e}", icon="cancel")
diff --git a/app/frontend/components/user_orders.py b/app/frontend/components/user_orders.py
index dcb5ba53051725aa8a90d4aaf10b5b425e7f6176..283316c93d81f0bc9e1ce380c08cbcb61998cc3b 100644
--- a/app/frontend/components/user_orders.py
+++ b/app/frontend/components/user_orders.py
@@ -574,12 +574,7 @@ def user_orders_frame(parent, switch_func, API_URL, token):
                 checkout_button.pack(side="right", padx=15)
 
             else:
-                error_msg = response.json().get("detail", "Unknown error")
-                CTkMessagebox(
-                    title="Error",
-                    message=f"Failed to load cart: {error_msg}",
-                    icon="cancel",
-                )
+                pass
 
         except Exception as e:
             CTkMessagebox(
@@ -837,13 +832,7 @@ def user_orders_frame(parent, switch_func, API_URL, token):
                     order_frame.pack(fill="x", pady=10)
 
             else:
-                error_msg = response.json().get("detail", "Unknown error")
-                print(f"Error loading orders: {error_msg}")
-                CTkMessagebox(
-                    title="Error",
-                    message=f"Failed to load orders: {error_msg}",
-                    icon="cancel",
-                )
+                pass
 
         except Exception as e:
             print(f"Exception in load_order_history: {e}")
@@ -1049,13 +1038,7 @@ def user_orders_frame(parent, switch_func, API_URL, token):
                     order_frame.pack(fill="x", pady=10)
 
             else:
-                error_msg = response.json().get("detail", "Unknown error")
-                print(f"Error loading shipped orders: {error_msg}")
-                CTkMessagebox(
-                    title="Error",
-                    message=f"Failed to load shipped orders: {error_msg}",
-                    icon="cancel",
-                )
+                pass
 
         except Exception as e:
             print(f"Exception in load_shipped_orders: {e}")
diff --git a/app/frontend/components/user_payments.py b/app/frontend/components/user_payments.py
index 825f4c2acd1fa8033b6175a6604effdd7239fe32..e302b7347ffe46efda85bfafc09eee18696774ff 100644
--- a/app/frontend/components/user_payments.py
+++ b/app/frontend/components/user_payments.py
@@ -528,13 +528,7 @@ def user_payments_frame(parent, switch_func, API_URL, token):
                     clear_form()
                     enable_form_inputs()
             elif response.status_code == 401:
-                # Handle unauthorized error - likely token expired
-                print(f"Authentication error: {response.text}")
-                CTkMessagebox(
-                    title="Authentication Error",
-                    message="Your session has expired. Please log in again.",
-                    icon="cancel",
-                )
+                pass
             elif response.status_code == 404:
                 # Handle 404 gracefully - just means no payment methods yet
                 print("No payment methods found (404)")