Filed under: Bad news, Rumors, Law, Microsoft (MSFT), Best Buy (BBY)Another month goes by, another lawsuit that involves Microsoft Corp. (NASDAQ: MSFT). But, this one's not about monopolistic practices and agreements with computer manufacturers. The world's largest software maker is accused of colluding with consumer electronics retailer Best Buy (NYSE: BBY) to install Microsoft's MSN Internet service and then bill customers for the service (which may have gone unused or unnoticed). Where does Best Buy come in? The computers that had the MSN software activated (with a monthly charge not brought to the customer's attention) were sold from the retailer, which was the one to secretly activate those yearly or monthly subscriptions.This is not a new lawsuit -- it's an old one that was reinstated by the 9th ...