If it is forbidden to change the desktop background, add 500 points...

By setting it in the Group Policy dialog box, you can prohibit users from changing the desktop wallpaper in the Windows XP operating system. 【Operation】 Click the [Start]4 [Run] command to open the "Run" dialog box, enter " in the dialog box, press the [Enter] key to open the "Group Policy" dialog box, in the dialog box "User Configuration", "Management Template", "Desktop", "Active Desktop", double-click the "Active Desktop Wallpaper" item to open the "Active Desktop Wallpaper Properties" dialog box, select the "Enabled" single option in the dialog box, and select the "Wallpaper Name" in the "Wallpaper Name" In the text box, enter the path where the wallpaper will be stored and the file name. Select a style in the Wallpaper Style drop-down list box, click the Apply button, click the OK button, and then log out or restart your computer.

Now you can't change the wallpaper on your desktop.

Even if there is a way.

What's the use?

Run, in which you can set, in the desktop settings you can"Lock the desktop", so that the desktop cannot be changed.

The negative effects can be imagined.

If you use a non-simple file sharing method, you can achieve this purpose by setting the permissions of the corresponding file, and I don't need to say more about the specific operation.

Run, in"User configuration"---"Manage templates"--- Control Panel --- show --- prevent changes to the desktop.

Step 1: Right-click on the blank space of the desktop, remove it on the arrangement icon before the desktop locks the web item (click it is OK), if not, step 2: Right-click on my computer.

Tap on Properties.

Select Advanced, and select on Performance.

Settings, select Visual Effects, and remove the Custom Options: Use Shadow Effect for Icon Labels on the Desktop.

Just delete all the web options in the customization.

In the mouse rotten, the comma points to the blank space of the desktop, right-click, click "Properties", click "Desktop", click on the **name in this list, select (you can see it on the small screen), and then select "Stretch" in the "Position" on the right-click "Apply"-click "OK".

Your first question, I think you are doing the right thing, but you still can't change the background is that there is a problem with your operating system, and you need to reinstall your operating system or restore your system to solve this problem.

Click "Start" on the pop-up interface, click "Run" (if it is a win7 operating system, you can call up "Run" in the taskbar attribute customization), enter and press Enter to pop up "Group Policy".

In User Configuration - Administrative Templates - Desktop - Active Desktop - Disable Active Desktop - Select Not Enabled

User Configuration - Manage Templates - Control Panel - Hide Desktop Tab - Select "Not Enabled".

Prevent wallpaper changes Select Not Enabled.

Try.

It's poisoned, and there will be a difficult problem if you scan it with 360, so you can clean it up.

"Double byte" is "dword value".

On the right side of the registry, right-click -New-Dword Value.

Name it "nodipbackgroundpage".

On it, "Right-Click-Modify" changes the value of "Numeric Data" to "0".

Then you can change the desktop background.

Is your figure moving? Something may happen if you can move!

Set it as a desktop background?

Do you open the right click to set it as desktop or not?

Run Enter to open Group Policy, select User Configuration on the left Administrative Templates Control Panel display, select "Prevent wallpaper changes from changing" on the right, double-click it, select "Enabled" in the open dialog box, press F5 to refresh or restart the computer.

By removing the desktop wallpaper replacement time, you can prevent it from being modified. You can find it in the attributes.,I think your computer is win7 or vista.。

This can only be set a password.,Screensaver password.,You lock yourself as soon as you leave.。