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I can no longer print on my iMac. I get this message: “Matterhorn.framework” will damage your computer.
I reinstalled my HP printer setup after deleing the old. It worked for a while now. However the problem is back again. And now ir is happening on my second macPro.
Update: Steps to resolve were inconclusive.
The issue appears to be exhibiting when printing using the Secure AirPrint feature for the HP printer in question.
I was able to solve the error report by using the native HP printer driver after installing the HP support files from Apple support downloads.
HP Printer Drivers v5.1 for OS X
Also removing and adding the printer again and selecting "Print Using" select the printer's driver and not Secure AirPrint.
Tested and working.
Update: Steps to resolve were inconclusive.
The issue appears to be exhibiting when printing using the Secure AirPrint feature for the HP printer in question.
I was able to solve the error report by using the native HP printer driver after installing the HP support files from Apple support downloads.
HP Printer Drivers v5.1 for OS X
Also removing and adding the printer again and selecting "Print Using" select the printer's driver and not Secure AirPrint.
Tested and working.
This is caused by a coding certificate mismatch - there's some issue with a stale certificate issued which identifies HP as a developer which allows the necessary support files to be installed. Investigating the solve...
Your solution worked for me. Thank you.
Matterhorn.framework
