Removing those directories is a step for an UPGRADE only; if you're doing an upgrade you wouldn't want those folders as they would clear out your configuration files and wrappers.inc.php file, which would render your site useless.

If you are doing a new install then you'd have ALL of the files from the install archive as they do not already exist on the server.

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
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