HP software won't recognize a connected and working computer and shuts down

I am running Windows Vista and I am unable to get HP Solutions Center to open. I recently installed drivers and software for an H-P OfficeJet Pro L7580 all-in-one printer. The printer work fine as a printer, but am unable to scan and it won't "see" my CPU which is connected BOTH with a network and a USB connection per the H-P installation manual.  If I need to disconect one to fix it, OK, but I need the network connection.

When launching HP Solution Center, a small grey screeen opens, followed by this error message: "No HP devices have been detected. HP Solution Center will close now." when I click "OK", it does in fact close.  HP Solution Center will fail to detect the printer even while IT IS ACTUALLY PRINTING A DOCUMENT!

HP tech support is absolutely useless.. Six calls of over an hour each and nobody has a clue what to do.

Any thoughts anyone - let me know how to fix it and I'll buy you dinner!  Thanks!
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Have you tried downloading and installing the latest software & drivers from the HP website, rather than what was provided on CD with the computer?

Do you have a HP scanner/imaging device listed in the device manager?
medic1509Author Commented:
Yes, I have downloaded all of the latest software from HP's site and the printer shows in the Device Manager under USB CONTROLLERS (DOT_4USB) and under IMAGING DEVICES.  Both sections indicate that the device is working properly.
Acronis True Image 2019 just released!

Create a reliable backup. Make sure you always have dependable copies of your data so you can restore your entire system or individual files.

You can try using Windows Fax and Scan to make sure the scanner is functioning properly.
medic1509Author Commented:
Windows Fax and Scan works when activated on the CPU.  The HP still does not "see" the CPU coming back the other way in I try to scan from its front control panel.

FYI,  I can't alter the Windows scan documents since they're basically a picture file so Windows scan does not help me any.
medic1509Author Commented:
I have done all of the above, all with no change.  Any other suggestions?  Thanks.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=115&prodSeriesId=3601422&prodTypeId=18972&prodSeriesId=3601422&objectID=c01545804 should help you.
I just spent several days working on this problem.

This wasn't the only thing I did to resolve it, but I believe it was probably the main thing that was needed - the HP software doesn't seem to open the ports needed for communication through the firewall - only the related applications.

If that doesn't work for you though, let me know.  I've developed quite the bag-o-tricks for this beast. ;^)
Correct that - I assumed you were using the XP firewall.
If that's not the case, and for anyone else coming to this page, this is the full list of firewalls and their related steps for opening those ports:

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"absolutely useless.. Six calls of over an hour each and nobody has a clue what to do."

I used the chat session and the girl, Alexis, seemed like she wanted to get away from me as soon as I laid some techno-geek-speek to her.  I wish I had the transcript with me - I'd post it - it's quite comical.  I escalated this thing twice, but in the end they only offered solutions for what I'd already tried.

Funny thing is - a quick scan of the web and you'll find LOADS of customers with the same issue - I don't know why they don't post a valid fix for it...

Good luck!
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