Member Avatar for rita.piillangill

Hello
I've just set up a new home wireless network on my dell laptop and I would like to wirelessly connect my printer again. When the installer detects the printer, the installation program freezes and I get the message HP Installer UI Plug is not responding. I have Windows 7, an HP Photosmart c4780 printer and run MacAfee security. Any help would be appreciated.

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Dani AI

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As suggested, interference from McAfee is the most likely cause of an installer hang when the HP setup is trying to discover or talk to the Photosmart. The problem is usually not just the firewall bit — packet inspection, network shields and real‑time scanning modules can block the discovery/driver steps the HP installer uses. Given ’s note that the reconfiguration has been running for a while, the safest course is to abandon the stuck run, clear the partial state, then run a controlled, clean install with security briefly disabled.

Suggested sequence (safe, repeatable):

  1. Stop the current setup and remove any temporary USB connections. Power‑cycle router, printer and PC to clear cached states.
  2. Temporarily disable McAfee components that affect networking (real‑time scanning, network/firewall modules or “shields”); if unsure, fully exit the McAfee tray app. Leave Internet disconnected if practical while security is off.
  3. From Control Panel -> Programs and Features, uninstall any broken/partial HP software if present; remove old printer entries from Devices and Printers. Reboot.
  4. Download the correct HP network driver package for Windows 7 (match 32/64 bit) and run the installer as Administrator. Use the USB->wireless setup again or the installer’s network discovery method. Let the process finish before re‑enabling security.
  5. After successful install, re‑enable McAfee and add the HP installer/executable to its firewall exceptions.

If the installer still hangs, try the basic driver only, use Windows “Add Printer” by TCP/IP using the printer’s IP (check DHCP list), or run HP’s diagnostic utility to repair drivers. Checking Task Manager for a frozen HP installer process and Event Viewer entries can help identify whether the hang is an installer bug or a security block. Re-enable protection immediately after completion.

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Member Avatar for rubberman

Try by temporarily disabling McAfee. If you can install it, then you can re-enable McAfee security.

Member Avatar for rita.piillangill

Right now I'm reconfiguring the printer in the HP configure a network device. It's been running(reconfiguring) for a while. Should I start the USB to wireless over again after the firewall is turned off, or will it work mid-configuration?

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