Windows installation encountered an unexpected error. Verify that the installation sources are accessible, and restart the installation. Error code:0xE0000100
Just built a computer. Tried to install windows 7 and it wouldn't find the hard drive so I had an old xp reinstallation cd and thought i'd try that. it found the hard drive and so it formatted it for about 3 hours and then said there was an error on the disk. now when i get to the part in windows 7 where i choose how to install, that message above pops up.
Oh, and replace your HDD under warranty, it probably shouldn't be taking that long to format - after checking all your cables and maybe try a known recently good PSU, just in case.
The hardware will keep retrying a sector, so the software can't always tell if it should mark an entire cluster as bad or not. Either way it sounds like your HDD is defective.
ie: Good media + Good RAM + Defective HDD = corrupt files.
The data gets copied to RAM before it hits the HDD though, so you never really can tell...
------------------------------Averaging 7 points per post, since err, I re-joined this mess.
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