Problems upgrading from Leopard to Snow Leopard

Hopefully I'm in the right place. This is my first Apple and my first problem. Recently upgrade from Leopard to SL and have had problems ever since. Mail, TM, Safari, etc. I have searched for explanations, but unfortunately can't find answers I understand. I have MS and my cognitive functions aren't what they use to be. I have seen suggestions about clean installs, restoring from TM, cloning HD then re-installing, etc... I would love to stay with SL but need it to work, so would a clean install do the trick? If so, how do I do a "clean install"? Should I just go back to Leopard and what would be the best way? I backed up with TM before I upgraded. I have had my MBP since fall of 2007 and it was starting to slow down before the upgrade so I wouldn't mind the clean install of either OSX. Any help would be appreciated.

since you backed up before you upgraded you can safely do the following.
boot from the snow leopard DVD.
start Disk Utility from the Utilities menu and erase the main hard drive.
Quit disk utility and proceed with the install of Snow leopard. that's what many people call a "clean install".
once the install is finished and you restart the computer you'll get to Setup Assistant. it will give you an option to migrate your data from a TM backup. you can choose to do so although it's possible that this will reintroduce the problems you are having now. another option is to skip the migration at this point (you can do it later) and set up the computer.
now you can restore your data from the TM backup. you can use Migration Assistant (it's in /Applications/Utilities) or you can restore things by hand if using Migration assistant reintroduces the problems you are having now. you can do something in between too. you can use Migration Assistant to migrate just your user data but now system files or Applications and reinstall the applications by hand.

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    Hi baltwo
    Many thanks for your advice. I've read all the links and will be buying a 2nd external HD to do a SuperDuper back up. I already had a 1Tb drive with Maxtor back up on it, and I also managed to get a Time Machine back up as well, so at least my data should be safe.
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  • What problems are associated with an upgrade from Tiger to Snow Leopard?

    Hi folks.
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    The computer has to be an Intel Mac.
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    5GB of hard drive space (Storage)
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    http://www.bombich.com/
    Message was edited by: WZZZ

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