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Has anybody else have this error message come up? Is there any work around? I moved these apps to the trash and the printer still works but not the scanner. I have an HPEnvy 7640 series and use Big Sur OS.
Any ideas welcome?
MacBook Pro 13″, macOS 11.0
HP's security certificate has expired. Search HP for a resolve here. Your Mac has encountered an expired security certificates.
——————————————————————————
HP's security certificate has expired.
* If your HP printer doesn't work and you see a warning that HP software '...will damage your computer'
Apple Support: https://support.apple.com/en-us/HT211921
Official Apple HT Published Date: November 06, 2020 HP: https://support.hp.com/us-en/document/c06960563
——————————————————————————
Do not feel alone here, there is currently a HP issue…And we are flooded with similar complaints
Open >System Preferences>Software Update (Command R will reload and do a fresh check)
Update: HP Printer Software 5.1 should now be becoming available through Software Update to fix this issue.
(2220 UTC 23 October 2020)

or Apple direct download:
https://support.apple.com/kb/dl1888?locale=en_US
If you have continued issue:
The solution is to download this package which will update drivers AND THE CERTIFICATE:
ftp.hp.com/pub/softlib/software12/HP_Quick_Start/osx/Installations/Essentials/hp-printer-essentials-S-5_14_8_4.pkg
download link above at the ftp address
If you still have an issue, delete the existing printer in
> System Preferences> Printers & Scanners, and add it again.
Connect an AirPrint printer to a Wi-Fi network - Apple Support.
https://support.apple.com/en-us/HT201900
you can also try reset print system if necessary:
If you can't print from your Mac or iOS device - Apple Support
https://support.apple.com/en-us/HT203343
HP's security certificate has expired. Search HP for a resolve here. Your Mac has encountered an expired security certificates.
——————————————————————————
HP's security certificate has expired.
* If your HP printer doesn't work and you see a warning that HP software '...will damage your computer'
Apple Support: https://support.apple.com/en-us/HT211921
Official Apple HT Published Date: November 06, 2020 HP: https://support.hp.com/us-en/document/c06960563
——————————————————————————
Do not feel alone here, there is currently a HP issue…And we are flooded with similar complaints
Open >System Preferences>Software Update (Command R will reload and do a fresh check)
Update: HP Printer Software 5.1 should now be becoming available through Software Update to fix this issue.
(2220 UTC 23 October 2020)

or Apple direct download:
https://support.apple.com/kb/dl1888?locale=en_US
If you have continued issue:
The solution is to download this package which will update drivers AND THE CERTIFICATE:
ftp.hp.com/pub/softlib/software12/HP_Quick_Start/osx/Installations/Essentials/hp-printer-essentials-S-5_14_8_4.pkg
download link above at the ftp address
If you still have an issue, delete the existing printer in
> System Preferences> Printers & Scanners, and add it again.
Connect an AirPrint printer to a Wi-Fi network - Apple Support.
https://support.apple.com/en-us/HT201900
you can also try reset print system if necessary:
If you can't print from your Mac or iOS device - Apple Support
https://support.apple.com/en-us/HT203343
"HP Scanner 3.app will damage your computer
