to switch from one option to another you must close the existing option by clicking the underlined close at the bottom
So there was nothing wrong with the upload it seems
Weird, I just downloaded myself and unzipped no problem, I use winrar to zip and unzip I'll have a go with winzip..........................just got to download and install it first..........grrrrr
we've used them, they are ok. the underground hydraulic operators are good, we then went onto FAAC controllers because they have slow start/stop but they are more expensive.