"Rick Rogers" wrote:

> Hi,
>
> First, there is no repair install function in Vista. You'd basically have to
> reinstall to the same volume, and the old installation would be moved to a
> windows.old folder. If it originally installed as S:, then there is no
> reason that the drive letter should affect the user accounts. Did you
> attempt to alter the drive letter via XP?

Thanks, the original letter was E when booting from XP or Vista as well.
I have tried changing letter from XP, but using bcedit I have seen that S:
was kept in.
Luckily I could enter safe mode and install easybcd which fixed my problem.
(I had to go through task manager, no other working way to run commands).