Hey if ipconfig command is not working then you have OS level issues, as i remember ipconfig is in all win 98 and above system, if you are really tired of this problem, backup your files and resintall windows XP again, you will feel the computer is faster. Make sure that you have a valid XP license and all the drivers b4 you do that. To solve your problem in the simplest way is to try find some friend who can help you with this problem, can't say anything from here, the problem might be initiated by lots of stuff.