“System error 193 has occurred. *** is not a valid Win32 application.”

1) in the php.ini file, uncomment
* extension=php_msql.dll

2) Add the php extension to IIS6
* Expand the local computer in the left pane
* Right-click on “Web Sites” in the left pane, then click “Properties” in the menu that pops up
* Flip to the “Home Directory” tab
* Click “Configuration”
* Flip to the “Mappings” tab
* Click “Add…”
* Enter the full path to php5isapi.dll in the “Executable” textbox (Browse… to find it more easily if you need to)
* Enter “.php” in the “Extension” textbox
* Select radial button “Limit to”, enter “GET,POST,HEAD”
* Click “OK” all the way out

This will apply to every website.

3) With MySQL, you need to create a database and set permissions so wordpress can use it

CREATE DATABASE databasename;

GRANT ALL PRIVILEGES ON databasename.* TO “wordpressusername”@”localhost”
IDENTIFIED BY “password”;

FLUSH PRIVILEGES;