WinXP can't find the system with its own classic theme?

Almost every user who uses WinXP knows that after right-clicking on the blank space in the desktop, you can select your favorite theme in the theme options. The user is using the featured theme provided on the network, but sometimes you suddenly want to use the classic blue sky and white cloud theme of WinXP, but found that it can't be found, is it because it is lost or other reasons? What should I do? In fact, through the following operations Steps can be used to retrieve classic themes.

Operation steps:

My computer ----- right click attribute ------ management ------ service and application ------- service ----- Find the Theme service, start it and double click, set the startup type to automatic. OK!

So WinXP system can not find the classic theme, not because it is lost or deleted, not because computer viruses, but some optimization software is no effect of the Theme service closed As long as we manually open it, you can re-use the blue sky and white cloud classic WinXP theme.