diff --git a/clashroyalebuildabot/actions/generic/action.py b/clashroyalebuildabot/actions/generic/action.py
index 8ddc613..595dd2e 100644
--- a/clashroyalebuildabot/actions/generic/action.py
+++ b/clashroyalebuildabot/actions/generic/action.py
@@ -12,9 +12,6 @@ def __init__(self, index, tile_x, tile_y):
         self.tile_x = tile_x
         self.tile_y = tile_y
 
-        if self.CARD is None:
-            raise ValueError("Each action must set the CARD attribute")
-
     def __repr__(self):
         return f"{self.CARD.name} at ({self.tile_x}, {self.tile_y})"
 
diff --git a/clashroyalebuildabot/bot/bot.py b/clashroyalebuildabot/bot/bot.py
index 5eedbca..e954fa3 100644
--- a/clashroyalebuildabot/bot/bot.py
+++ b/clashroyalebuildabot/bot/bot.py
@@ -23,6 +23,7 @@
 from clashroyalebuildabot.emulator.emulator import Emulator
 from clashroyalebuildabot.namespaces import Screens
 from clashroyalebuildabot.visualizer import Visualizer
+from error_handling import WikifiedError
 
 pause_event = threading.Event()
 pause_event.set()
@@ -42,7 +43,9 @@ def __init__(self, actions, config):
 
         cards = [action.CARD for action in actions]
         if len(cards) != 8:
-            raise ValueError(f"Must provide 8 cards but was given: {cards}")
+            raise WikifiedError(
+                "005", f"Must provide 8 cards but {len(cards)} was given"
+            )
         self.cards_to_actions = dict(zip(cards, actions))
 
         self.visualizer = Visualizer(**config["visuals"])
@@ -148,7 +151,7 @@ def play_action(self, action):
         self.emulator.click(*card_centre)
         self.emulator.click(*tile_centre)
 
-    def step(self):
+    def _handle_play_pause_in_step(self):
         if not pause_event.is_set():
             if not Bot.is_paused_logged:
                 logger.info("Bot paused.")
@@ -159,6 +162,8 @@ def step(self):
             logger.info("Bot resumed.")
             Bot.is_resumed_logged = True
 
+    def step(self):
+        self._handle_play_pause_in_step()
         old_screen = self.state.screen if self.state else None
         self.set_state()
         new_screen = self.state.screen
@@ -184,6 +189,9 @@ def step(self):
             self._log_and_wait("Starting game", 2)
             return
 
+        self._handle_game_step()
+
+    def _handle_game_step(self):
         actions = self.get_actions()
         if not actions:
             self._log_and_wait("No actions available", self.play_action_delay)
diff --git a/clashroyalebuildabot/detectors/card_detector.py b/clashroyalebuildabot/detectors/card_detector.py
index 6fee375..7afc41d 100644
--- a/clashroyalebuildabot/detectors/card_detector.py
+++ b/clashroyalebuildabot/detectors/card_detector.py
@@ -7,6 +7,7 @@
 from clashroyalebuildabot.constants import CARD_CONFIG
 from clashroyalebuildabot.constants import IMAGES_DIR
 from clashroyalebuildabot.namespaces.cards import Cards
+from error_handling import WikifiedError
 
 
 class CardDetector:
@@ -53,15 +54,19 @@ def _calculate_card_hashes(self):
             ),
             dtype=np.float32,
         )
-        for i, card in enumerate(self.cards):
-            path = os.path.join(IMAGES_DIR, "cards", f"{card.name}.jpg")
-            pil_image = Image.open(path)
-
-            multi_hash = self._calculate_multi_hash(pil_image)
-            card_hashes[i] = np.tile(
-                np.expand_dims(multi_hash, axis=2), (1, 1, self.HAND_SIZE)
-            )
+        try:
+            for i, card in enumerate(self.cards):
+                path = os.path.join(IMAGES_DIR, "cards", f"{card.name}.jpg")
+                pil_image = Image.open(path)
 
+                multi_hash = self._calculate_multi_hash(pil_image)
+                card_hashes[i] = np.tile(
+                    np.expand_dims(multi_hash, axis=2), (1, 1, self.HAND_SIZE)
+                )
+        except Exception as e:
+            raise WikifiedError(
+                "005", "Can't load cards and their images."
+            ) from e
         return card_hashes
 
     def _detect_cards(self, image):
diff --git a/clashroyalebuildabot/detectors/detector.py b/clashroyalebuildabot/detectors/detector.py
index d999b76..d4f6cdb 100644
--- a/clashroyalebuildabot/detectors/detector.py
+++ b/clashroyalebuildabot/detectors/detector.py
@@ -10,6 +10,7 @@
 from clashroyalebuildabot.detectors.screen_detector import ScreenDetector
 from clashroyalebuildabot.detectors.unit_detector import UnitDetector
 from clashroyalebuildabot.namespaces import State
+from error_handling import WikifiedError
 
 
 class Detector:
@@ -17,8 +18,8 @@ class Detector:
 
     def __init__(self, cards):
         if len(cards) != self.DECK_SIZE:
-            raise ValueError(
-                f"You must specify all {self.DECK_SIZE} of your cards"
+            raise WikifiedError(
+                "005", f"You must specify all {self.DECK_SIZE} of your cards"
             )
 
         self.cards = deepcopy(cards)
diff --git a/clashroyalebuildabot/emulator/emulator.py b/clashroyalebuildabot/emulator/emulator.py
index 6efb13c..e402056 100644
--- a/clashroyalebuildabot/emulator/emulator.py
+++ b/clashroyalebuildabot/emulator/emulator.py
@@ -18,6 +18,7 @@
 from clashroyalebuildabot.constants import EMULATOR_DIR
 from clashroyalebuildabot.constants import SCREENSHOT_HEIGHT
 from clashroyalebuildabot.constants import SCREENSHOT_WIDTH
+from error_handling import WikifiedError
 
 
 class Emulator:
@@ -67,7 +68,9 @@ def _get_valid_device_serial(self):
                 ]
 
                 if not available_devices:
-                    raise RuntimeError("No connected devices found") from e
+                    raise WikifiedError(
+                        "006", "No connected devices found"
+                    ) from e
 
                 fallback_device_serial = available_devices[0]
                 logger.info(
@@ -78,8 +81,8 @@ def _get_valid_device_serial(self):
                 logger.error(
                     f"Failed to execute adb devices: {str(adb_error)}"
                 )
-                raise RuntimeError(
-                    "Could not find a valid device to connect to."
+                raise WikifiedError(
+                    "006", "Could not find a valid device to connect to."
                 ) from adb_error
 
     def _start_recording(self):
@@ -151,11 +154,13 @@ def _run_command(self, command):
             logger.error(str(e))
             logger.error(f"stdout: {e.stdout}")
             logger.error(f"stderr: {e.stderr}")
-            raise
+            raise WikifiedError("007", "ADB command failed.") from e
 
         if result.returncode != 0:
             logger.error(f"Error executing command: {result.stderr}")
-            raise RuntimeError("ADB command failed")
+            raise WikifiedError(
+                "007", "ADB command failed."
+            ) from RuntimeError(result.stderr)
 
         return result.stdout
 
@@ -171,35 +176,37 @@ def _update_frame(self):
         logger.debug("Starting to update frames...")
         for line in iter(self.video_thread.stdout.readline, b""):
             try:
-                if not line:
+                last_frame = self._get_last_frame(line)
+                if not last_frame:
                     continue
 
-                if self.os_name == "windows":
-                    line = line.replace(b"\r\n", b"\n")
-
-                packets = self.codec.parse(line)
-                if not packets:
-                    continue
-
-                frames = self.codec.decode(packets[-1])
-                if not frames:
-                    continue
-
-                self.frame = (
-                    frames[-1]
-                    .reformat(
-                        width=SCREENSHOT_WIDTH,
-                        height=SCREENSHOT_HEIGHT,
-                        format="rgb24",
-                    )
-                    .to_image()
-                )
+                self.frame = last_frame.reformat(
+                    width=SCREENSHOT_WIDTH,
+                    height=SCREENSHOT_HEIGHT,
+                    format="rgb24",
+                ).to_image()
 
             except av.AVError as av_error:
                 logger.error(f"Error while decoding video stream: {av_error}")
             except Exception as e:
                 logger.error(f"Unexpected error in frame update: {str(e)}")
 
+    def _get_last_frame(self, line):
+        if not line:
+            return None
+
+        if self.os_name == "windows":
+            line = line.replace(b"\r\n", b"\n")
+
+        packets = self.codec.parse(line)
+        if not packets:
+            return None
+
+        frames = self.codec.decode(packets[-1])
+        if not frames:
+            return None
+        return frames[-1]
+
     def _start_updating_frame(self):
         self.frame_thread = threading.Thread(target=self._update_frame)
         self.frame_thread.daemon = True
diff --git a/clashroyalebuildabot/gui/main_window.py b/clashroyalebuildabot/gui/main_window.py
index 1fd59ea..c628173 100644
--- a/clashroyalebuildabot/gui/main_window.py
+++ b/clashroyalebuildabot/gui/main_window.py
@@ -17,36 +17,40 @@
 from clashroyalebuildabot.gui.styles import set_styles
 from clashroyalebuildabot.utils.logger import colorize_log
 from clashroyalebuildabot.utils.logger import setup_logger
+from error_handling import WikifiedError
 
 
 class MainWindow(QMainWindow):
     def __init__(self, config, actions):
-        super().__init__()
-        self.config = config
-        self.actions = actions
-        self.bot = None
-        self.bot_thread = None
-        self.is_running = False
+        try:
+            super().__init__()
+            self.config = config
+            self.actions = actions
+            self.bot = None
+            self.bot_thread = None
+            self.is_running = False
 
-        self.setWindowTitle(" ")
-        self.setGeometry(100, 100, 900, 600)
+            self.setWindowTitle(" ")
+            self.setGeometry(100, 100, 900, 600)
 
-        transparent_pixmap = QPixmap(1, 1)
-        transparent_pixmap.fill(Qt.GlobalColor.transparent)
-        self.setWindowIcon(QIcon(transparent_pixmap))
+            transparent_pixmap = QPixmap(1, 1)
+            transparent_pixmap.fill(Qt.GlobalColor.transparent)
+            self.setWindowIcon(QIcon(transparent_pixmap))
 
-        main_widget = QWidget(self)
-        self.setCentralWidget(main_widget)
-        main_layout = QVBoxLayout(main_widget)
+            main_widget = QWidget(self)
+            self.setCentralWidget(main_widget)
+            main_layout = QVBoxLayout(main_widget)
 
-        top_bar = setup_top_bar(self)
-        tab_widget = setup_tabs(self)
+            top_bar = setup_top_bar(self)
+            tab_widget = setup_tabs(self)
 
-        main_layout.addWidget(top_bar)
-        main_layout.addWidget(tab_widget)
+            main_layout.addWidget(top_bar)
+            main_layout.addWidget(tab_widget)
 
-        set_styles(self)
-        start_play_button_animation(self)
+            set_styles(self)
+            start_play_button_animation(self)
+        except Exception as e:
+            raise WikifiedError("004", "Error in GUI initialization.") from e
 
     def log_handler_function(self, message):
         formatted_message = colorize_log(message)
@@ -140,10 +144,12 @@ def bot_task(self):
             )
             self.bot.run()
             self.stop_bot()
-        except Exception as e:
-            logger.error(f"Bot crashed: {e}")
+        except WikifiedError:
             self.stop_bot()
             raise
+        except Exception as e:
+            self.stop_bot()
+            raise WikifiedError("003", "Bot crashed.") from e
 
     def append_log(self, message):
         self.log_display.append(message)
diff --git a/clashroyalebuildabot/gui/utils.py b/clashroyalebuildabot/gui/utils.py
index 6b6bcfa..9433f41 100644
--- a/clashroyalebuildabot/gui/utils.py
+++ b/clashroyalebuildabot/gui/utils.py
@@ -1,20 +1,18 @@
 import os
 
-from loguru import logger
 import yaml
 
 from clashroyalebuildabot.constants import SRC_DIR
+from error_handling import WikifiedError
 
 
 def load_config():
-    config = None
     try:
         config_path = os.path.join(SRC_DIR, "config.yaml")
         with open(config_path, encoding="utf-8") as file:
-            config = yaml.safe_load(file)
+            return yaml.safe_load(file)
     except Exception as e:
-        logger.error(f"Can't parse config, stacktrace: {e}")
-    return config
+        raise WikifiedError("002", "Can't parse config.") from e
 
 
 def save_config(config):
@@ -23,4 +21,4 @@ def save_config(config):
         with open(config_path, "w", encoding="utf-8") as file:
             yaml.dump(config, file)
     except Exception as e:
-        logger.error(f"Can't save config, stacktrace: {e}")
+        raise WikifiedError("000", "Can't save config.") from e
diff --git a/clashroyalebuildabot/utils/error_handling.py b/clashroyalebuildabot/utils/error_handling.py
new file mode 100644
index 0000000..f3dade0
--- /dev/null
+++ b/clashroyalebuildabot/utils/error_handling.py
@@ -0,0 +1,4 @@
+def get_wikified_error_message(error_code: str, reason: str) -> str:
+    return f"Error #E{str(error_code)}: {reason}.\
+     See https://github.com/Pbatch/ClashRoyaleBuildABot/wiki/Troubleshooting#error-e{str(error_code)} for more information.\
+    Full error message below:\n\n"
diff --git a/clashroyalebuildabot/utils/git_utils.py b/clashroyalebuildabot/utils/git_utils.py
index e8b67e0..95fd9aa 100644
--- a/clashroyalebuildabot/utils/git_utils.py
+++ b/clashroyalebuildabot/utils/git_utils.py
@@ -1,9 +1,10 @@
 import subprocess
-import sys
 from time import sleep
 
 from loguru import logger
 
+from error_handling import WikifiedError
+
 
 def _is_branch_late() -> bool:
     subprocess.run(
@@ -42,4 +43,6 @@ def check_and_pull_updates() -> None:
             sleep(3)
             return
         logger.error(f"Error while checking / pulling updates: {e.stderr}")
-        sys.exit(1)
+        raise WikifiedError(
+            "000", "Error while checking / pulling updates"
+        ) from e
diff --git a/error_handling/__init__.py b/error_handling/__init__.py
new file mode 100644
index 0000000..a1a935b
--- /dev/null
+++ b/error_handling/__init__.py
@@ -0,0 +1,3 @@
+from .wikify_error import WikifiedError
+
+__all__ = ["WikifiedError"]
diff --git a/error_handling/wikify_error.py b/error_handling/wikify_error.py
new file mode 100644
index 0000000..af6c0e5
--- /dev/null
+++ b/error_handling/wikify_error.py
@@ -0,0 +1,14 @@
+def get_wikified_error_message(error_code: str, reason: str) -> str:
+    err_str = f"\u26A0 Error #E{str(error_code)}: {reason}"
+    link = "https://github.com/Pbatch/ClashRoyaleBuildABot/wiki/"
+    link += "Troubleshooting#error-e{str(error_code)}"
+    err_str += f" See {link} for more information."
+    err_str += " You might find more context above this error.\n\n"
+    return err_str
+
+
+class WikifiedError(Exception):
+    def __init__(self, error_code: str, reason: str):
+        self.error_code = error_code
+        self.reason = reason
+        super().__init__(get_wikified_error_message(error_code, reason))
diff --git a/main.py b/main.py
index d76e64b..b5d1e12 100644
--- a/main.py
+++ b/main.py
@@ -1,21 +1,26 @@
-import signal
-import sys
-
-from loguru import logger
-from PyQt6.QtWidgets import QApplication
-
-from clashroyalebuildabot.actions import ArchersAction
-from clashroyalebuildabot.actions import BabyDragonAction
-from clashroyalebuildabot.actions import CannonAction
-from clashroyalebuildabot.actions import GoblinBarrelAction
-from clashroyalebuildabot.actions import KnightAction
-from clashroyalebuildabot.actions import MinipekkaAction
-from clashroyalebuildabot.actions import MusketeerAction
-from clashroyalebuildabot.actions import WitchAction
-from clashroyalebuildabot.gui.main_window import MainWindow
-from clashroyalebuildabot.gui.utils import load_config
-from clashroyalebuildabot.utils.git_utils import check_and_pull_updates
-from clashroyalebuildabot.utils.logger import setup_logger
+from error_handling import WikifiedError
+
+try:
+    import signal
+    import sys
+
+    from loguru import logger
+    from PyQt6.QtWidgets import QApplication
+
+    from clashroyalebuildabot.actions import ArchersAction
+    from clashroyalebuildabot.actions import BabyDragonAction
+    from clashroyalebuildabot.actions import CannonAction
+    from clashroyalebuildabot.actions import GoblinBarrelAction
+    from clashroyalebuildabot.actions import KnightAction
+    from clashroyalebuildabot.actions import MinipekkaAction
+    from clashroyalebuildabot.actions import MusketeerAction
+    from clashroyalebuildabot.actions import WitchAction
+    from clashroyalebuildabot.gui.main_window import MainWindow
+    from clashroyalebuildabot.gui.utils import load_config
+    from clashroyalebuildabot.utils.git_utils import check_and_pull_updates
+    from clashroyalebuildabot.utils.logger import setup_logger
+except Exception as e:
+    raise WikifiedError("001", "Missing imports.") from e
 
 
 def main():
@@ -33,12 +38,14 @@ def main():
     try:
         config = load_config()
 
-        app = QApplication(sys.argv)
+        app = QApplication([])
         window = MainWindow(config, actions)
         setup_logger(window, config)
 
         window.show()
         sys.exit(app.exec())
+    except WikifiedError:
+        raise
     except Exception as e:
         logger.error(f"An error occurred in main loop: {e}")
         sys.exit(1)