Follow these instructions on how to do a Full Scrub to remove the previously installed printer content from your computer, except use this link to the Windows 7 32-bit Full Feature Software and Drivers for the Officejet Pro L7580 (English version).
--Version 14 Full Scrub Steps for Non-HP Computers Only--
In the event that you have installed corrupted software on your computer, hopefully this step(s) will remove any instance of that file(s) and allow you a clean install the next time. Let me know if you have any questions on the instructions I have provided for you.