Patrick Wardle on Twitter: "As others have noted it appears certs used to sign apps such as Amazon Music, HP Printer drivers, etc. were revoked ...by? Thus, macOS blocks the (legit) software
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Why have my HP printers stopped working? How to check their software signature – The Eclectic Light Company
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Fixing HP Drivers Package 5.1 Installation Failure in Mac OS v11 Big Sur | HP Printers | HP - YouTube
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