How to Fix You don't Have Permission to Shutdown This Computer the Windows 7 bug
As you may remember, there was a bug in the latest (and last) Windows 7 update KB4534310 that was causing a black screen instead of the wallpaper set by the user. It looks like that's not the only Windows 7 bug that was delivered along with the patch.
Windows 7 is now discontinued by Microsoft starting on January 14, 2020. Microsoft will no longer release security patches to consumers, except for user who have purchased the Extended Security Updates option (ESU). Windows 7 remains a very popular operating system as of this writing. This will eventually change, since Microsoft is not interested in supporting or selling Windows 7 any more.
While Microsoft is about to fix the black wallpaper bug, it looks like company have more issues to fix in the retired OS. Discussion on various forums and communities indicate that Windows 7 now has one more bug that prevents users from shutting down or rebooting the OS. Once the user try to shut down the OS, it displays a warning message instead
You don't Have Permission to Shutdown This Computer
Users have figured a working solution that originally comes from the Quick Heal anti-virus support web site. By following the steps below, users report that the problem is resolved.
To Fix You don't Have Permission to Shutdown This Computer in Windows 7,
- Press + R to open the Run dialog.
gpedit.mscand press Enter. to open the Local Group Policy editor app.
- In Local Group Policy, browse for Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options on the left.
- On the right, find the option
User Account Control: Run all administrators in Admin Approval Mode.
- Double-click that option and turn on
Enablein the next dialog.
- Force apply all the group policy options by running
gpupdate /forcefrom either Run or a command prompt.
- Restart or shut down the OS. This should be done without issues.
You are done.
Other reports suggest creating a new user account with administrative privileges, and switching back and forth between the new admin account and your default user account.