Reprinted from: http://blog.sina.com.cn/s/blog_4dc988240102vj8a.html
It's because the system's own theme has been cracked.
Revert to uncracked system theme
For the convenience of those in need, the UniversalThemePatcher tool and the
uncracked themeservice.dll
themeui.dll uxtheme.dll files are packaged, as well as the restoration files used by UniversalThemePatcher (that is, the three files with the suffix .backup) , copy the three files with the suffix to the windows\system32 folder, you can use this tool UniversalThemePatcher to restore.
Friends with PE can also enter PE, and then
copy the three files without suffixes to the windows\system32 folder to overwrite the cracked files.
Attachment: Link: http://pan.baidu.com/s/1jGoonB4 Password: trqn