Hello everyone.
I have a weird problem. I had XP and Vista installed on different partitions of a SATA2 320Gb Seagate and everything worked great. Also I had a grub boot loader, don't know how I installed it but there it was and I only discovered it now, at the same time my problem appeared. I got a new 320Gb Seagate hard drive and wanted to install it in my primary OS - Vista. So shutdown->plugged in brand new HDD->boot up in Vista. Went on to DiskMngmnt to format and partition the new hard disk. It didn't go very well as Vista reported after each try to make a partition on the unallocated space : "The operation failed to
complete because the Disk Management console view is not up-to-date. Refresh
the view by using the refresh task. If the problem persists close the Disk
Management console, then restart Disk Management or restart the computer". The problem didn't go away by closing and reopening the DiskMngmnt window but even got worse and led to my real problem after I restarted the computer. It didn't boot up anymore into Vista and reported an grub related "error 17: file not found". I have some pics below that show the screens with this error and what comes after.
I now installed a clean copy of Vista on the new bought hard drive (the old one is unplugged) but I want my old Vista back and the two hard drives both plugged in and running. what to do ?
Here are the screens:

this is the boot error :
http://img352.imageshack.us/my.php?image=01booterrordu9.jpg

this is after pressing any key:
http://img399.imageshack.us/my.php?image=02afteranykeygg2.jpg

this is after pressing e:
http://img466.imageshack.us/my.php?image=03afterpressingera1.jpg

this is after pressing e again:
http://img181.imageshack.us/my.php?image=04afterpressingerj9.jpg
Thanks to everyone in advance for your time and answers.

Try if Vista's Startup Repair can fix this:

yeah. sorry, I forgot to mention .. that's the first thing I tried after I saw the boot error and I was pretty confident that by running a Startup Repair will fix the problem but it didn't
Vista didn't seem to find anything wrong with the startup or at least that is what reported.
Is there a way that I could maybe take the standard boot files for Vista from somewhere and just put them on one of my partitions and tell Vista to boot from that particular partition ? Or maybe a way to rebuild my Vista's boot files by editing the grub or something ?
I have no idea how to do this .. I'm just asking because this is my logical rookie way of thinking.

Try this Microsoft article. Pay special attention to the FixMbr abd FixBoot commands.

This guide is exactly what you need. It speaks about Startup repair at first (which didn't work for you), but then it gets to command prompt commands, which should do the job.

Re-format your hard-drive and start all over again.

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