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- HP Community
- Printers
- Printer Setup, Software & Drivers
- Fatal Error Install Message

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09-24-2020 07:49 AM
trying to install most current software/driver for HP Photosmart C4750 printer. Software downloads but after successful install the next step is product configuration. During product configuration I receive "fatal error installation" message. HP error report seems to think I am operating a windows 8 version when in fact I have updated to windows 10 2004 version. I was also told to check firewall software and to make sure UDP port 427 is unblocked. I don't know how to do this. Could either of these issues be the problem the that is causing the "fatal error" message?
09-27-2020 03:17 PM
@Rick205lk Welcome to HP Community!
I understand that you are getting a fatal error while installing the software.
Please refer to the below link.
https://support.hp.com/in-en/document/c02266980
I would suggest you try the Windows built-in drivers. Follow the steps below:
• Go to Control Panel - Devices and printers - Click on "Add printer" and follow the on-screen instructions.
• When the page prompts for the drivers, select "Windows update". The driver list will be updated.
• Click HP, Hewlett Packard, or Hewlett-Packard in the Manufacturer pane, and then click the name of your printer in the Printers pane.
Refer to this document HP Printers - Installing and Using the Windows Built-in Print Driver for help
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