I didn't do anything.. it just happen like that during a short period of time.. Usually happen when navigating from desktop to start screen and vice versa
"Full transparent taskbar" is surely a feature, but it was triggered by some un-related action, so canouna called it a bug.
It's enablaed bud once you enter in metro mode will be revert... First you mus choose this teme: High contrast white Then select basic theme,after the teme will be changed done...all you have to do will to change the desktop wallpaper and choose taskbar theme : the result:
Yes,is working just with windows basic....and the changes will be revert if you enter in Metro mode or applications.