Win7 Pure version of the system to prevent the desktop theme is tampered with the method

1, click the combination key win+r, run the window to open, in the inside into the Gpedit.msc, and then click "OK" button, the Local Group Policy Editor Open, as shown:

2. After the local Group Policy Editor opens, locate the user Configuration, admin templates, Control Panel, and personalization options in the window and turn them on individually. Then, in the personalization settings on the left, select the "Prevent Change theme" Setting window and double-click to open it;

3, find to prevent changes to the theme of the window, directly click inside the Disabled button, and then click the "Application, OK" and so on, so that the local Group Policy editor shut down;