Thread:Project:Support desk/update.php prohibited/reply (2)

update.php is a maintenance script, not a browser script. Execute it from your command-line interface. See also update.php

From your output I assume you're on a Mac:
 * 1) Go to Application > Utilities > Terminal
 * 2) type "cd " (including a space) and from the Finder drag the folder into this window in which you have mediawiki installed. The result will be something like this: $ cd /Applications/MAMP/htdocs/w/ . Press Return/Enter
 * 3) type " " and press Enter again. ( cd = " c hange d irectory" )
 * 4) Last but not least to execually perform the update, execute " "