And then there were six. Oregon has joined the list of states investigating Microsoft Corp for alleged anti-trust violations, according to CNet. In fact Oregon has been investigating the company since February, which begs the question of what other states are quietly probing Microsoft. So far, Massachusetts, Texas, New York, California and Connecticut have confirmed that they are investigating the company. The probes center around the bundling of internet Explorer with Windows 98 next year and possible clauses in OEM contracts that force the other party to tell Microsoft if federal or state authorities have approached the company about investigating Microsoft.