Are you trying to use the themes in Windows??????. If so:
To start the Themes service, follow these steps:
- Click Start, click Run, type services.msc, and then click OK.
- In the list of services, right-click Themes, and then click Properties.
- On the General tab, click Automatic in the Startup type list.
- On the General tab, click Start under Service status, and then click OK.
- Exit Services.