diff --git a/Config.py b/Config.py
index 6d03ba1..dc1e8cb 100644
--- a/Config.py
+++ b/Config.py
@@ -1,4 +1,8 @@
 import yaml
+from yaml.parser import ParserError
+from rich import print
+
+from Exceptions.InvalidCredentialsException import InvalidCredentialsException
 
 
 class Config:
@@ -18,16 +22,33 @@ def __init__(self, configPath: str) -> None:
             with open(configPath, "r",  encoding='utf-8') as f:
                 config = yaml.safe_load(f)
                 accs = config.get("accounts")
+                onlyDefaultUsername = True
                 for account in accs:
                     self.accounts[account] = {
                         "username": accs[account]["username"],
                         "password": accs[account]["password"],
 
                     }
+                    if "username" != accs[account]["username"]:
+                        onlyDefaultUsername = False
+                if onlyDefaultUsername:
+                    raise InvalidCredentialsException                    
                 self.debug = config.get("debug", False)
                 self.connectorDrops = config.get("connectorDropsUrl", "")
         except FileNotFoundError as ex:
-            print(f"ERROR: The configuration file cannot be found at {configPath}")
+            print(f"[red]CRITICAL ERROR: The configuration file cannot be found at {configPath}\nHave you extacted the ZIP archive and edited the configuration file?")
+            print("Press any key to exit...")
+            input()
+            raise ex
+        except (ParserError, KeyError) as ex:
+            print(f"[red]CRITICAL ERROR: The configuration file does not have a valid format.\nPlease, check it for extra spaces and other characters.\nAlternatively, use confighelper.html to generate a new one.")
+            print("Press any key to exit...")
+            input()
+            raise ex
+        except InvalidCredentialsException as ex:
+            print(f"[red]CRITICAL ERROR: There are only default credentials in the configuration file.\nYou need to add you Riot account login to config.yaml to receive drops.")
+            print("Press any key to exit...")
+            input()
             raise ex
             
         with open("bestStreams.txt", "r",  encoding='utf-8') as f:
diff --git a/Exceptions/InvalidCredentialsException.py b/Exceptions/InvalidCredentialsException.py
new file mode 100644
index 0000000..6154e6b
--- /dev/null
+++ b/Exceptions/InvalidCredentialsException.py
@@ -0,0 +1,5 @@
+from Exceptions.CapsuleFarmerEvolvedException import CapsuleFarmerEvolvedException
+
+class InvalidCredentialsException(CapsuleFarmerEvolvedException):
+    def __init__(self):
+        super().__init__(f"Invalid account credentials.")
\ No newline at end of file