i installed my windows 7 and connected the machine to the internet without any user profile and password. i left it on over night, when i came back in the morning, i found out that a user profile had been created and i cant log on to my computer. I believe my computer was hacked and the user profile that was created is carol. Please may you help me.

About your only choice is to wipe the hard drive clean an re-install Windows 7.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.