USB wireless card problem

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http://crunchbanglinux.org – Hello everyone, I have just recently switched from windows to linux for the first time so I am new and inexperienced with linux so please bare with me.I have an Encore N150 USB wireless adapter that I've been trying to get working all night. I've downloaded the linux drivers directly from the encore website. Every time I try to execute the <install.sh> and I get a "..permission denied" response.  Any help would be greatly appreciated.(http://www.encore-usa.com/us/support/ENUWI-1XN42) < link to wireless device info (HowTos)