The critical error "Your Start Menu isn't working" on Windows 10/11 often occurs when certain files and settings become corrupted due to faulty software installation or uninstallation. This critical error start menu issue has been widely reported by Windows users on various forums, indicating its prevalence and impact. When confronted with this error, it can be frustrating as it hinders the smooth operation of the Start Menu, which is a fundamental component of the operating system. However, there are effective solutions available to resolve this critical error and restore the functionality of your Start Menu.