I just installed a B210a eAIO and all went okay.
I agree, the instructions are vague. A question that needs asked, Did you follow them precisely?
On ours it was confusing, going between the computer and the touchscreen it would be easy to make a slip.
You might have to re-install after gutting this in-stall. Uninstalling the Printer Software HP Photosmart Premium e-All-in-One Printer - C310a - HP Customer Care (United States - English)
Have you seen this?
A 'Fatal Error' (MSI error) Displays on the Computer During HP Software Installation in Windows
Source: HP Solve a Problem
Scroll down a bit to:
"Step two: Get troubleshooting for the specific error message"