My attempts to install Windows 7 have run into catastrophic issues.
Having managed to get a very poor installation of it working (slow boot times, frequent crashes, etc), I have ended up flattening the disk entirely. However, it now won't install at all, hanging and/or crashing at various different points. At one point it also refused to format the disk after partitioning.
In desperation I have tried to install Windows XP with a view to running the Windows 7 disc from within there, but three attempts at this also fail, it installs but won't boot due to corrupt files.
My old Windows Vista disc also won't install, with similar errors.
I am now running a CHKDSK from within the XP recovery console, as I seriously suspect the hard drive is buggered, though quite how this could have occurred I have no idea.
Embarrassingly I may have to take it to a computer repair shop next week, but I really do think that if three different OS's refuse to install with random disk errors, it's got to be the hard disk.