I have been browsing this site for most of the day, downloading various functions and brushing up on my C coding. I do not recall when exactly, but I have executed code from this site which has turned out to be malicious! On my next login to windows XP, I discovered that my account password had been changed and I could not log in. I rebooted, tried my password but to no avail, I then noticed that another account had just vanished form the log in screen. I rebooted again and was just presented with the Guest account. So now Im left pretty much limited. Safe mode is also useless, it doesnt give me no login accounts, just blank screen. Does anyone have any suggestions. My computer can dual boot to linux mandrake. So I have full access to the windows files and folders via linux, if this helps. I cannot think what to do, I am at the the minute in the guest account. Thanks in advance.