garageband quit unexpectedly at launch after fresh install of high Sierra

Heres my log. I've tried clearing cache, restarting, redo loading from purchases, etc. it says its downloading an older version because my MacBook took out at High Sierra. any help?

Process: GarageBand [3029]

Path: /Applications/GarageBand.app/Contents/MacOS/GarageBand

Identifier: com.apple.garageband10

Version: ???

Build Info: MALogic-5305000000000000~2

Code Type: X86-64 (Native)

Parent Process: ??? [1]

Responsible: GarageBand [3029]

User ID: 501

PlugIn Path: (null)

PlugIn Identifier: (null)

PlugIn Version: ??? (551.4)

Date/Time: 2020-11-29 12:03:38.274 -0800

OS Version: Mac OS X 10.13.6 (17G66)

Report Version: 12

Anonymous UUID: AC30EA37-33E5-EF30-7DBC-F512B1F2D2F8

Time Awake Since Boot: 1200 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 000000010a5ba000-000000010bd99000 [ 23.9M] r-x/rwx SM=COW f []

Thread 0 Crashed:

0 ??? 0x000000010d7e219c _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: 0x00007ffee5645c38

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

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

rip: 0x000000010d7e219c rfl: 0x0000000000000200 cr2: 0x0000000000000000

Logical CPU: 0

Error Code: 0x00000000

Trap Number: 0

Binary Images:

0x10a5ba000 - 0x10bd98fe7 +??? (5305) <E29B7F4E-C808-3957-8B97-73FBA8357E18> (null)

0x10d7e1000 - 0x10d82bacf +??? (551.4) <8A72DE9C-A136-3506-AA02-4BA2B82DCAF3> (null)

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: 1063

thread_create: 0

thread_set_state: 0

VM Region Summary:

ReadOnly portion of Libraries: Total=26.1M resident=0K(0%) swapped_out_or_unallocated=26.1M(100%)

Writable regions: Total=9.8M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=9.8M(100%)

VIRTUAL REGION

REGION TYPE SIZE COUNT (non-coalesced)

=========== ======= =======

STACK GUARD 56.0M 2

Stack 8192K 2

__DATA 4876K 5

__LINKEDIT 1952K 3

__TEXT 24.2M 3

shared memory 8K 3

=========== ======= =======

TOTAL 94.8M 12

Model: MacBookAir6,2, BootROM 122.0.0.0.0, 2 processors, Intel Core i7, 1.7 GHz, 8 GB, SMC 2.13f15

Graphics: Intel HD Graphics 5000, Intel HD Graphics 5000, Built-In

Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x02FE, -

Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x02FE, -

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x117), Broadcom BCM43xx 1.0 (7.77.37.31.1a9)

Bluetooth: Version 6.0.7f10, 3 services, 27 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en0

Serial ATA Device: APPLE SSD SM0256F, 251 GB

USB Device: USB 3.0 Bus

USB Device: USB3.0 Hub

USB Device: USB3.0 Hub

USB Device: My Book 1230

USB Device: BRCM20702 Hub

USB Device: Bluetooth USB Host Controller

USB Device: USB 2.0 Hub [MTT]

USB Device: USB 2.0 Hub

USB Device: USB2.0 Hub

USB Device: Keyboard Hub

USB Device: Apple Keyboard

USB Device: Apple USB SuperDrive

USB Device: USB2.0 Hub

USB Device: iLok

USB Device: Launchkey MK2 49

Thunderbolt Bus: MacBook Air, Apple Inc., 23.6