Here are the install instructions :
Use this software for first time USB installations only.
Do NOT attach USB cable until prompted by the install program
Close any software programs running on your computer.
Click the Download only button and save this file.
Double click on the downloaded file. The self-extracting process will appear.
Click to accept the terms in the license agreement. Click Next.
Driver installation begins.
Driver files are pre-installed during this process.
A screen pops up to prompt to connect the USB cable. Insert the USB cable.
Device is connected, waiting for PnP to finish installing
driver.
Click Finish to complete software installation.
I hope installing the software before connecting will resolve the issue. You might be able to restore around your first attempt if it still wont install, and try again.
Driver page :
http://h20000.www2.hp.com/bizsupport...&lang=en&cc=au