Please be more specific. We cannot read your mind. Describe your problem in detail. If you're installing multiple windows on same system, you may have to re-write the boot loader onto the disk. Once we have details we can provide answers.
Some pointers:
What exactly are you trying to accomplish?
Describe your system specs, Operating systems, disk drives, etc.
Some pointers:
What exactly are you trying to accomplish?
Describe your system specs, Operating systems, disk drives, etc.