Magic Error

Hi I installing phplist and I get the error
"Warning: Things will work better when PHP magic_quotes_gpc = on"

Where would I find this? And how do I correct it?

It’s an editable variable in your PHP.INI

Maximum Cash Discount on any plan with MAXCASH

How To Install PHP.INI / ionCube on DreamHost

Thanks! I’ll check out the link you have below, im guessing thats where I can find some answers.