If your windows start button not working issue appears suddenly, don’t panic. This common problem can happen due to system glitches, corrupted files, or background process errors. Start by restarting Windows Explorer from Task Manager. You can also run system updates, check for malware, or use the troubleshooter. Sometimes creating a new user profile solves it. The windows start button not working problem is usually fixable with a few simple steps and no expert skills required.