No resource found that matches the given name: attr 'android:windowElevation : i instal new windows and then instal eclipse but when i create a new project its get error and i dont know what is it 

   

    workspace\appcompat_v7\res\values-v21\themes_base.xml:129: error: Error: No resource found that matches the given name: attr 'android:colorControlNormal'.
    workspace\appcompat_v7\res\values-v21\themes_base.xml:130: error: Error: No resource found that matches the given name: attr 'android:colorControlActivated'.
    \workspace\appcompat_v7\res\values-v21\themes_base.xml:81: error: Error: No resource found that matches the given name: attr 'android:colorPrimary'.


   and all of theme in them_base .xml. 

i several times change windows or instal eclipse into new labtop and it(eclipse) work fine. im not instal graphic driver is it important for this error?