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I've installed MySQL 5.5.11 on my new macbook pro. Unfortunately, I quickly found out MySQL 5.5.11 doesn't fully work on mac os x :(. MySQL 5.5.8 was the last version that did work. As a new mac user, what's the proper way to install MySQL 5.5.8? Can I just install it on top of MySQL 5.5.11? Should I take certain steps to uninstall 5.5.11?

Also, mysql.com's page for downloading older versions of 5.5 has been down all day. Where can I download 5.5.8?

UPDATE: When trying to install MySQL 5.5.8, I get the following error message:

MySQL 5.5.8-community for Mac OS X can't be installed on this disk. A newer version of this software already exists on this disk.

at.
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Ah, funny, the old releases download website only work once, you have to restart your browser every time you go to another page :-) You can try this: http://downloads.mysql.com/archives.php?p=mysql-5.5&v=5.5.8

And you can overwrite the old version.

Capsule
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  • Thank you for the proper link! I'm beginning to be a bit unsure of moving forward with mysql in general.. so if I overwrite v5.5.11 with v5.5.8, will I have any remnants of v5.5.11? I'd like to remove it completely. – at. Apr 27 '11 at 21:34
  • Where does it install in OSX? like other apps in /Applications/ or in /opt/ like most Unix ports? – Capsule Apr 27 '11 at 22:22
  • You can't overwrite MySQL 5.5.11 with 5.5.8, see my update to the original question. – at. Apr 27 '11 at 23:26
  • Then it's safe to delete the mysql folder before installing another version. I do that everytime I manually upgrade MySQL on Linux servers and it works like a charm. Since your DBs are located elsewhere (probably /var/lib/mysql/ or something like that) you will never overwrite any DB during a MySQL upgrade/downgrade. – Capsule Apr 28 '11 at 14:19
  • I finally got it resolved, I had to delete a ton of other files, particularly the receipt files (which are not all in /Library/Receipts). This wasn't an upgrade, it was a downgrade. Unfortunately, now I have a problem with MySQL 5.5.8, maybe due to the downgrade: http://stackoverflow.com/questions/5812346/mysql-5-5-8-startup-item-not-working-in-mac-os-x-10-6 – at. Apr 28 '11 at 20:32