Help - "Installation failed" Mac OSX could not be installed

I have had a really lousy day with the Leopard install. I got the five license family pack.
2 x white MacBooks - fine - although on one the DVD kept spitting it out and after about 10 goes it worked.
1 x Mac Mini - blue screen upon restart. Still not fixed.
1 x 24 iMac - fine
1 x 17 iMac - DISASTER
I need help on the last one and can't find a post anywhere.
I did the install. It started back up and I was ready to rock and roll. But it changed by account to "standard" rather than "administrator". Spoke to Apple, suggest erase and clean install, started that, then read a post on how to fix this after wiping. So that put me in a foul mood...
Then, I put the Leopard disk in and then did the erase, repair, verify, etc. I then chose the now blank hard drive as the destination drive. It then goes through the motions of calculating the time remaining, etc.
After about 5 minutes of "installing" I get a whopping great big exclamation mark and the text "Installation failed, Mac OS X could not be installed on your computer, The installer could not validate the contents of the "base system". Contact the software manufacturer for assistance. Click restart to restart your computer and try installing again". I have tried this a few times - no good. Apple Australia is now closed for the night.
So I went back to my original 10.4.8 iMac install disc and thought I would try that. I would then put Leopard over the top of that. It says it can't install this operating system on the selected drive.
So, I can't install the new, I can't install the old.
HELP!!!
Thanks,
Andrew
Sydney, Australia

Me and my folks bought a copy each. I installed mine on my Macbook Pro and there was no issue. I went to my folks to help them as they are not as confident as me and had a disaster. They have a first generation current configuration iMac G5 (the one just before isight was added). But the installer completely freaked. The log spat out heaps of errors. Each attempt got completely different behavior. Sometimes it would just go idle and do nothing more. Two attempts that got further than the idled attempts ended up failing about half way through telling me the disk is damaged. The disk looks perfect and the installer verification checks out. I checked the disk on my MBP and it checks out there too. No trouble starting up from it or accessing any of it's features. So I tried it out on my macbook pro and it works fine. So I checked out the iMac with disk first aid and it checks out also. The end result was I had to reinstall 10.4 and run the updates over it and give up. Took me all week end (just finished just now)... Also the ROM is ok as I installed the 10.4 version without a single error in the log. They will be returning their copy to the store monday!
--- Added
Incidentally. When I installed at home I was able to deselect everything except the system essentials. But at my folks the installer wouldn't allow me to deselect the languages. The difference between the two is I did a fresh installer and they asked for me to just do an update. In my attempts I did end up doing an archived install, no difference. Only thing I didn't do was a format install. In the end I should have tried as I had to reinstall 10.4 from scratch anyway and ret a few things as the installer had partially installed the new OS. I just didn't have much faith in the formatted install from working either as at the time I wasn't sure if the ROM had an issue with the disk or if there was some fundamental conflict with the hardware, either case wouldn't suggest that approach would work any better.
Message was edited by: osihara

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BIG THANKS!
Tuesday, April 05, 2011 1:53 PM
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FinMaky
---Pat

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Hi,
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          With Regs
          -SHAN

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