Lost Wireless WPA2 connection and ability to see USB after update

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http://www.linuxforums.org – I'm relatively new to Linux. My netbook ran updates yesterday for Ubuntu and now I am unable to reconnect to wireless network connection. I am using WPA2 encrypted security. I am able to connect via wired LAN. Also, when I went to connect using USB mobile connection, I get an error "unable to mount location". I get the same error if I try to connect my external CD drive. I have tried to force mount but no luck. I could use some suggestions! Thanks for your help. I am using Ubuntu 8.04 with Gnome desktop (2.22.3) on a Dell Mini 9. My wireless device is using Broadcom STA Wireless driver for an 802.11 wireless card. (HowTos)