codesigning hp printers

Getting CodeSigning error for HP printing that had been working until Saturday. Two Macs effected. HP Support on Twitter so far doesn't have a solution.

Here's a typical error:

Process:       HP Utility [1415]

Path:         /Library/Printers/hp/Utilities/HP Utility.app/Contents/MacOS/HP Utility

Identifier:      com.hp.printerutility

Version:       ???

Build Info:      Unknown-1789~1789

Code Type:      X86-64 (Native)

Parent Process:    ??? [1]

Responsible:     HP Utility [1415]

User ID:       501

Date/Time:      2020-10-24 16:37:53.560 -0500

OS Version:      Mac OS X 10.14.6 (18G3020)

Report Version:    12

Anonymous UUID:    3E8237D1-D332-6574-0BC9-18BCD29F0AC2

Time Awake Since Boot: 3600 seconds

System Integrity Protection: enabled

Crashed Thread:    0

Exception Type:    EXC_CRASH (Code Signature Invalid)

Exception Codes:   0x0000000000000000, 0x0000000000000000

Exception Note:    EXC_CORPSE_NOTIFY

Termination Reason:  Namespace CODESIGNING, Code 0x1

kernel messages:

VM Regions Near 0 (cr2):

--> 

  __TEXT        0000000104522000-0000000104583000 [ 388K] r-x/rwx SM=COW 

Thread 0 Crashed:

0                0x000000010c74f000 _dyld_start + 0

Thread 0 crashed with X86 Thread State (64-bit):

 rax: 0x0000000000000000 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x0000000000000000

 rdi: 0x0000000000000000 rsi: 0x0000000000000000 rbp: 0x0000000000000000 rsp: 0x00007ffeeb6ddbd0

  r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x0000000000000000 r11: 0x0000000000000000

 r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000

 rip: 0x000000010c74f000 rfl: 0x0000000000000200 cr2: 0x0000000000000000

Logical CPU:  0

Error Code:   0x00000000

Trap Number:  0

Binary Images:

    0x104522000 -    0x104582ff7 + (0) <C7000AF5-2639-3340-AA59-1B7383E8073B> 

    0x10c74e000 -    0x10c7b870f + (655.1.1) <1605ACFC-49C3-33AF-B319-5BE41FC6E208> 

External Modification Summary:

 Calls made by other processes targeting this process:

  task_for_pid: 0

  thread_create: 0

  thread_set_state: 0

 Calls made by this process:

  task_for_pid: 0

  thread_create: 0

  thread_set_state: 0

 Calls made by all processes on this machine:

  task_for_pid: 2072

  thread_create: 0

  thread_set_state: 0

VM Region Summary:

ReadOnly portion of Libraries: Total=1020K resident=0K(0%) swapped_out_or_unallocated=1020K(100%)

Writable regions: Total=8400K written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=8400K(100%)

                VIRTUAL REGION 

REGION TYPE            SIZE  COUNT (non-coalesced) 

===========          ======= ======= 

STACK GUARD           56.0M    1 

Stack              8192K    1 

__DATA              340K    3 

__LINKEDIT            204K    2 

__TEXT              816K    2 

shared memory            8K    2 

===========          ======= ======= 

TOTAL              65.3M   11 

Model: iMac16,2, BootROM 232.0.0.0.0, 4 processors, Intel Core i5, 3.1 GHz, 8 GB, SMC 2.32f20

Graphics: kHW_IntelIrisPro6200Item, Intel Iris Pro Graphics 6200, spdisplays_builtin

Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1867 MHz, 0x80CE, 0x4B3445364533303445452D45474346202020

Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1867 MHz, 0x80CE, 0x4B3445364533303445452D45474346202020

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x156), Broadcom BCM43xx 1.0 (7.77.61.3 AirPortDriverBrcmNIC-1305.9)

Bluetooth: Version 6.0.14d4, 3 services, 27 devices, 1 incoming serial ports

Network Service: Ethernet, Ethernet, en0

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: APPLE SSD SM0128G, 121.33 GB

Serial ATA Device: APPLE HDD ST2000LM003, 2 TB

USB Device: USB 3.0 Bus

USB Device: My Passport 0827

USB Device: My Passport 0827

USB Device: Elements 25A1

USB Device: Bluetooth USB Host Controller

USB Device: FaceTime HD Camera (Built-in)

Thunderbolt Bus: iMac, Apple Inc., 27.4