To fix Windows 7 shutdown bug, use these steps:
How to fix shutdown bug on Windows 7 using Group Policy How to fix shutdown bug on Windows 7 using Registry.How to fix shutdown bug on Windows 7 using Group Policy.In this guide, you’ll learn the steps to mitigate the shutdown and restart problems after installing the last update for Windows 7. Microsoft hasn’t yet acknowledge the problem, but it appears that there are multiple workaround using the Group Policy Editor (via Reddit and Windows Central) and using the Registry (via The Windows Club) Windows 7 recently received another final update, but shortly after the rollout, users starting to report problems shutting down. According to a ZDNet report (via Neowin), when users try to shutdown their computers, they receive a “ You don’t have permission to shut down this computer” error message.
