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I haven't heard of deleting your site during installation. Are you needing to do that in order to start over, or is it just "happening" to you?
The piece that you are missing is that you need to upload the
contents of the htdocs folder to the root folder of your site. You are uploading the XOOPS folder and all sub-folders.
At this point if you have the site running under the address you gave, you can move the files from htdoc up to the root directory and then edit mainfile.php to reflect the new location.
If you aren't too far into things, I suggest re-installing in the proper location.
And read this
thread.
Optimism is the mother of disappointment.