I’m frustrated

Error messages Downloading Tutorial on Dreamweaver Cs4 Tutorials!

I have a new imac 27" computer running safari and also firefox. I have tried downloading the tutorials for dreamweaver cs4 from sawmac.com with no success. It gets half way through the download and I get an error message that says " Unable to unarchive mm-DWCS4.ZIP into downloads (error 1 - operation not permitted) - on firefox. On safari I get the same problem but message says " the operation couldn't be completed. (safariErrorDomain error 0.) Would love to get some help as the missing manual books seems fantastic, but the tutorials would make it even better. Thanks
1 person has
this problem