Error establishing a database connection

define your user in mysql as “localhost” only instead of “%” from anywhere. could help.

nah. it didn’t change anything. I find dream host really hard to use and install wordpress. what host do u use?

Have you read their wiki: https://wiki.dreamhost.com/WordPress

dreamhost has a one click install of wordpress, also in their cpanel

sorry, I am on my laptop, cannot help for dreamhost.