Re: Permission error!?
If you are using shared hosting you cannot modify the php.ini file. php.ini is a configuration file that controlls the parameters and environment settings on PHP.
My advice is to read InstallTikiUnderSafeMode, or if your not upto that, try a TikiFriendlyHosts. Some people FindTikiExpert will install it for you on your server too.
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Damian
TikiWiki Development/Support/Hosting Services
Tis the festive season