change: clearer startup error

dzgui/init/dayz.py

@@ -6,6 +6,7 @@ from pathlib import Path
 from dzgui.config.query import lookup
 from dzgui.const.constants import APPID_DAYZ, APP_NAME, LIBRARYFOLDERS_PATH
 from dzgui.const.enum import Preferences
+from dzgui.strings.errors import dayz_not_installed
 from dzgui.views.dialogs.early_alert import EarlyAlertDialog
 
 import dzgui.api.pefile as PeFile
@@ -19,5 +20,5 @@ def is_dayz_installed(config: Path) -> None:
         PeFile.get_app_path(Path(path) / LIBRARYFOLDERS_PATH, APPID_DAYZ)
     except Exception as e:
         logger.critical(e)
-        EarlyAlertDialog(str(e))
+        EarlyAlertDialog(dayz_not_found)
         sys.exit(1)

dzgui/strings/errors.py

@@ -3,3 +3,4 @@ api_validation_error = (
 )
 
 api_popover = "API key validation failed."
+dayz_not_found = "Could not find DayZ and/or Steam: are they installed?"