Windows

I recently changed (i.e. enlarged) the size of my Windows Vista boot partition.
Without thinking, I hibernated my system afterwards...
This seems not to be the best idea, as the result was an infinite loop booting:
Directly after the MBR chainloading the windows partition (no matter wheter it was grub, a basic mbr from linux "install-mbr" or whatever) the screen turned black and the system started over again with the POST.

The reason was that it seems like the partition ID had changed.
If you have a Windows Vista Installation CD/DVD at hand - no problem:
Insert, select "repair" at the screen with the big "install" button and answer "yes" to the question: "should I fix your boot problems and restart the system?" - so easy.
I recommend doing a CHKDSK run after this!

But what if you don't have a bootable Vista CD at hands (e.g. you got an OEM version without recovery disc)?

Well, The NeoSmart Files blog is your rescure:
At http://neosmart.net/blog/2008/windows-vista-recovery-disc-download/ you can find a torrent download of an official (?)
Microsoft Vista recovery disc which seems to be an installation disc that only supports recovery, but not installation.
With a total size of only 120MB, this is a real alternative of downloading a complete Windows Vista DVD!

finally, my system is running again – although I lost some files: my opera config and my pidgin accounts file seem gone...