First of all, I tried searching for "upgrade 6.04a" and the only result was this:

Quote
Invalid input! One or more items submitted in the form are not in the proper format.
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What's up with that?

Anyways, how do I upgrade from 6.04a? The download area only lists upgrades from 6.04f. Is 6.04f-6.05 the winner? Or do I use the 'current version' 6.05?

<img src="https://www.ubbcentral.com/boards/images/graemlins/confused.gif" alt="" /> <- and quite easily I might add.

Thanks.