Win10 how to open the registry

User problem description:
Windows10 system computer, today enabled the system administrator built-in administrator user, and then switched to the original user (Microsoft user abcdef****@sina.com), However, the system's registry editor won't open, showing C:Windowsregedit.exex file system error (-1073740771).
Because the administrator of the system's built-in administrator is enabled, and then the registry editor that happens to switch to Microsoft users can't open, I enter local users and groups - users, right click: Administrator - Properties, open Click on the Administrator Properties window: Account is disabled - Application - OK;

But the Administrator built-in administrator user is disabled, or the Registry Editor cannot be opened. The error is the same as the original, showing C:Windowsregedit.exex File system error (-1073740771).



how to set up to open the registry editor?
Through various explorations, finally found a way to solve the problem.
One is to restore the system image file first:
Because the system file may be changed in the change settings, in order to make the system image file and the official file

after about 10 minutes, the system The image file restore operation completed successfully. As you can see from the picture, there are changes to the system files in the change settings, so it is necessary to restore the system image file once.

The second is to change the user account control settings.
Operation and steps:
Open the control panel, double-click to double-click: user account;

In the open user account window, click: change user account control settings;

In the User Account Control Settings window, we can see that the small slider for adjusting the notification is in the "Always notify" location;

Then drag the small slider to the location shown below: Only when the app tries to change my computer Notify me (do not reduce the brightness of the desktop) - Do not notify me when I make changes to the Windows settings, then click OK;

Enter regedit from the Run dialog, press Enter, you can open the Registry Editor.

User Account Control (UAC) is a control mechanism used by Microsoft in its Windows Vista and higher operating systems. The principle is to inform the user whether to use the hard drive and system file authorization for the application to help prevent malicious programs from damaging the system.
So, for user account control settings, it's best to put the small slider in the location (not to lower the desktop brightness) only when the app tries to change my computer. It can prevent malicious programs from damaging the system, as well as allowing certain programs, such as the Registry Editor, to function properly.