This tutorial assumes that you have just one physical hard drive and it is connected as Master on the Primary IDE controller. If this is not the case, then don't do this...
Easy,
boot back into linux one last time and do this:
1) Login as root
2) open a term (if necessary)
3) Run "fdisk /dev/hda"
4) Hit "p" to print out the existing partition table
5) Hit "d" to delete the existing partitions. Do this until all of them are deleted.
The next two steps are optional
6) Now hit "n" to create a new partition. fdisk will ask what type of partition that you want, hit "p" for primary. Next, it will ask you what partition number to use, hit "1". Next it will provide a default location for the start of the partition, use it. Then it will provide a default ending location, use it.
If you did step 6, then you have to do step 7.
7) Hit "t" to change the partition type, select "1" for partition #1, then pick "b" for FAT32.
This step is not optional
8) Say to yourself "Poor Linux, I barely knew ye" and hit "w".
Congratulations, you have now blasted your HD back into the DOS age
Fire up Windows and either use the partition that you created in linux, or if you didn't do step 6, create a new partition using FDISK.EXE
Does this mean that we can still be friends?
John