When I turned on my laptop (one i used to use at work), running XP Pro, I received an error saying that there was an IP address conflict. to resolve this error message, i changed the settings from 'this computer runs on a business network' to 'home use, not on a network', or something like that, in the 'system properties' in the control panel. it asked me to restart, so i did, but afterwards when i tried to log in, with my same user name and password, it woudln't let me. i tried going in in safe mode, but it keeps saying that there is an invalid user name and/or password. Im guessing this is because my computer is still trying to connect to a network, but i just set the settings so that it wouldn't connect to the network. so essentially i am locked out of my computer. is my only solution to use one of those dos-based password changing programs?