According to the vast majority of reports, the HP printer software simply stopped working, and it warns that it is malicious with the “hpPostProcessing.bundle” will damage your computer. Recently users started complaining about an alarming pop-up message on their macOS Catalina or Mojave versions whenever they tried to use their HP printers. While at the end of the road show, (almost near Homer AK.To repair damaged system, you have to purchase the licensed version of Mac Washing Machine X9 Mac Washing Machine X9. high-end HP with no warranty, and no repair service Keeps me from buying into landfill liners. That was a spare bad experiences with 'new-in-box' AIO w/ fax, HP

Gave away an basic HP printer with extra cartridges, stored in garage. Made good use them after half-hour head clean intervals + CPR.) (Even so, I've 'brought-back from fossil' state, expired Epson inks, & My two Epson printers can still work fine, when I can find ink for them. HP was OK twenty+ years ago, with black-ink only, refillable cartridges. Later when desperately needed to print & fax medical, it was DOA Īfter as-new setup & power-up. ~ That had lived out its 'entire warranty period' in storage NIB. Also was forced to use one (helped relative who bought)ĪIO HP. Glad you've found a better resolution to this issue. This fixed it for me, printing is back on line. I called into Apple support after I was done and the only thing they recommended was to reset my NVRAM to clear an adobe error. After you restart add your printer '+' and test.

Then uninstall your printer '-' and restart. Towards the end you will need to allow HP to install an 'extension' I think, just follow the instruction then wait - be patient - it will finish.

It is NOT the same as the driver package, Easy Start, or Easy Admin other people are recommending. Let it run, even if it seems like it stalled out! The solution is to download (and install) this package (From HP FTP) which will update drivers AND THE CERTIFICATE: Poking around in the Hp forums I found the following: The root problem appeared to be an expired certificate.

Today my HP DeskJet F4140 All in One Printer that quit working with multiple errors. I have a Mac Book Air 2017 running Catalina 10.15.7.

Hp printer drivers for mac os mojave