I believe I may have trouble with Yahoo from reading the forum...but changing host is simply out of the question at the moment, maybe an additional host is in order, who would you recommend?
All permissions triple checked, and are ok (777)
On the install.php page, only one combination of settings lets you 'connect', all others bring up an error message, so guess all my ftp connection info is correct.
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Well, my personal suggestion is
Aspiration Hosting. I currently have an account with them and I do not see myself switching hosts any time soon (if ever). James (the owner) is very prompt in addressing any questions, issues, etc that you may have. He is very knowledgeable, helpful, and friendly. The support system that he has in place is extremely fast and willing to do whatever it takes to fix the issue and keep you happy. His hosting packages are very reasonably priced and come with a load of additional features. You get unlimited databases, subdomains, email accounts, FTP accounts, parked domains, addon domains, and mailing lists. The lowest priced package has 1GB storage and 20GB bandwidth. SMF runs flawlessly on his servers. The php sendmail() function is enabled and works great on his servers. He doesn't oversell his servers, meaning that he doesn't cram as many accounts as possible on each server. This means that the chance of you getting server busy errors is slim to none. You also have access to Installatron (a program that auto installs programs from a list available). I have 8 apps installed with Installatron and James doesn't restrict the amount of apps you are allowed to install using Installatron (some hosting companies do). The list of available apps is long and includes some really helpful apps.
If you cannot tell, I am extremely happy with
Aspiration Hosting's service.
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As for the issue at hand, I am not sure where to go from here. It seems that the installer is still seeing the listed files and folders as not having write access. You are stating that you have checked and all of the listed files AND folders have write access (chmod 777). The only thing that I can thing of trying (and this is not that big of a deal since your forum is not even installed yet) is to delete your SMF database and the files Settings.php and Setting_bak.php. Then FTP Settings.php and Setting_bak.php from a fresh download of SMF (make sure you are using the EXACT same SMF version as you have on the server) to your forums root directory (same place where you deleted them from). Then direct your web browser to:
http://www.moler-one.com/gyvwforum/install.php and start the install process again.
Kratos