You cannot do much, you need to install it again. If you want to restore your data, you will have to find software which you can afford because it's usually pretty expensive.
If you are trying to put Windows XP on a Macbook, it won't work.
For windows XP get yourself a copy of diskternals. I have had some very good results in the past with this program.
an accidentally deleted CONFIG.SYS file
All but perhaps the question needs rephrasing!
No.
For windows and Windows XP computer icons can be deleted by left clicking your mouse and going down to the delete option. I am not sure for the Ipod Touch though, i only have a nano.
During XP setup or installation, partitions can be created, deleted and selected for installation.
Go to your browser whose history is to be deleted. Then go to settings and delete the history from there.
If you formatted your hard drive between the OS installs of 98, 2000 and XP, it would be difficult to retrieve files and programs from previous installs. There are tools to retrieve deleted information, but if the deleted information was already re-written, which is likely the case when installing new operating systems (depending on the hard drive size), it would be impossible to get those old files back.
Windows XP is a general name given to sevearl operating systems released by Microsft in the early 200's. These include: Windows XP Home, Windows XP Pro, WIndows XP Stater, Windows XP Media Edition, WIndows XP Tablet, Windows XP N, Windows XP K and Windows XP KN
No, but you can get Windows Live Mail for Windows XP in Windows Live Essentials for XP.
Purchase Windows XP