Can't install CI...

[eluser]clueliss[/eluser]
Here is the latest error I am getting now...

A PHP Error was encountered

Severity: Warning

Message: mysql_errno(): supplied argument is not a valid MySQL-Link resource

Filename: mysql/mysql_driver.php

Line Number: 453

and

A PHP Error was encountered

Severity: Warning

Message: mysql_error(): supplied argument is not a valid MySQL-Link resource

Filename: mysql/mysql_driver.php

Line Number: 440


What really irks me is that this custom app using CI 1.7.2 worked great on my friends laptop but has been giving me fits on mine. Anyone know of a suggestion to rectify this matter for me?