This thing seems to be spreading quite quickly. If you're using MS and haven't verified your system, you should. If you're not using a firewall, you should. http://www.sygate.com will allow you to download and install a personal firewall -- it's easy to install. Internet Security Systems (http://www.iss.net) has released a scan tool to check for the MS03-026 patch on Windows servers. Location: http://www.iss.net/support/product_utilities/ms03-026rpc.php