I'm using Symantec Endpoint Protection v11 on Vista.
Since I installed SEP11, every time I reboot this computer, the wireless works fine for about a minute (while SEP is starting up). Then, when the shield indicates it's fully up, I lose my wireless connection completely. After about a minute or two, Vista detects the wireless network again and connects. However, it will only be a local connection w/o internet. In order to bring up the internet, I have to do a DHCP renew (open a command prompt, ipconfig /renew). Once that's done, the connection is good until I next reboot.
What's going on? I tried uninstalling Norton completely and this solved the problem. But I'd like to keep the software...