Trouble installing because 5.5 thinks tables already exist in the database

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Hi There,

I'm not sure if this is 5.5 or MAMP but over the past few days I've been setting up a bunch of local dev sites and have noticed a weird reoccurring error with the 5.5 installer.

Despite creating brand new databases in phpMyAdmin, c5 thinks tables exist in them - so won't install.

The only way to fix the issue is to create a new database with a different name which makes me think that something (MAMP, the browser or c5) is caching something?.

A part from the first time it happens, c5 always thinks that any subsequent databases created with the same name has 3 tables in it. The first time round, it looks like it installs 20 or 30 tables before getting the error.

I'm going to update MAMP but I was wondering if anyone else has seen this? I've had this error 3 or 4 times over the past week and only with c5.5 - an Expression Engine and two Wordpress installs were fine.

Any help suggestions on tracking down the source would be much appreciated.

Cheers

Ben