Could not load file or assembly Microsoft.Practices.EnterpriseLibrary.Caching.dll

I am trying to build the project in my clients machine and i am getting this error. Its working fine in local

            Error   37  Could not load file or assembly 
    'file:///C:\Users\Administrator.INTERNAL\Downloads\RS\ABTMedicalNew.com\packages\EnterprizeCaching\Microsoft.Practices.EnterpriseLibrary.Caching.dll' or one of its dependencies.    
         Operation is not supported. (Exception from HRESULT: 0x80131515)   
C:\Users\Administrator.INTERNAL\Downloads\RS\ABTMedicalNew.com\Libraries\ABTMedical.Services\SGEN   ABTMedical.Services