under C:/windows/sys32/drivers/etc ---
theres a file named (host 1kb file) that i altered but i need to know wat it is thats causing me to not be able to replace with new file the error states
the file is being used by something or process but ive closed alot of programs im tryin to figure what process it is in task manager so i can replace it.
any1 have any answer plz i could use the help thx UBER thx - d-a-l

Why did you alter it, and how?
What is EXACT file name, and EXACT location?