Article in English: Then select Tools then Folder Options     Click the "View" tab then click "Show Hidden Files and Folders" and click "OK".    \ drive and look for the Windows folder. If you are presented with a warning about modifying system files, click the 'Show files' link to continue. Then double-click on the "Wallpaper" folder.     Look for the wallpaper/pictures you want to delete     If you're using Firefox, it may be stored in C:\Documents and Settings\<user name>\Application Data\Mozilla\Firefox     If you're using Internet Explorer, it may be stored in C:\Documents and Settings\<user name>\Application Data\Microsoft\Internet Explorer    Click "All files and folders", and enter the name of the background to locate it.    Try creating a folder called Moved Backgrounds.  If you move the file to this new folder, it will be removed from your list, but still available on your PC should you change your mind.

Summary in Chinese:
在“开始”菜单中打开“我的电脑”。 打开C盘，进入Windows文件夹。 当你进入到Windows文件夹，找到并且双击Web文件夹。 如果你仍然找不到，那么就点击开始餐单，然后搜索它。 当你找到文件后，你可以删除它或者将其移动到新文件夹里。