Symantec Anti-Virus

So we use this anti-virus software here at work by Symantec [Corporate Edition]. It’s horrible. I turn off it’s ‘real time scaning’ feature so that I can use Source Control software and in 30 minutes it turns itself back on. No matter how I turn it off (from the task bar or from the program’s less than intuitive control panel) it comes back. It’s like this thing I can’t kill. I want it on there most of the time, but this recurring problem is really annoying. My source software slows to a crawl with it on. I love Anti-Virus for protection, but does it have to come at the cost of my computer not working? You can’t get virii on your machine if it doesn’t work 🙂