Unable to expand

JuanT

I've tried to download the top three zip files, none will expand. Avast is issuing warnings. Maybe disable?

Mac Pro (Late 2013)

Platform: x86_64-apple-darwin13.4.0 (64-bit)

3.7 GHz Quad-Core Intel Xeon E5

Running under: OS X 10.10.3 (Yosemite)

128 GB 1066 MHz DDR3 ECC

AMD FirePro D300 2048 MB

FabulousPanda

Are you using archive utility or a third party expansion app? right click the .zip go to open with and see what your default option is and what options are available