How do I troubleshoot random shutdowns and find the fault in my refurbished Mac?

Crash report: Translated Report (Full Report Below)

Process:

Path:

Identifier:

Version:

Build Info:

Code Type:

Parent Process:

User ID:

Safari [1683]

/Volumes/VOLUME/*/Safari.app/Contents/MacOS/Safari com.apple.Safari

18.5 (20621.2.5.11.8)

Safari-7621002005011008~1

ARM-64 (Native)

launchd [1l

501

Date/Time:

OS Version:

Report Version:

Anonymous UUID:

2025-05-22 07:56:51.0138 -0500

macOS 15.5 (24F74)

12

8BA532FC-CA78-E0CB-DE77-5357DAF9EB86

Sleep/Wake UUID:

7ADF8E5E-B365-4BCB-8A7E-A8B0B77853BA

Time Awake Since Boot:

3500 seconds

Time Since Wake:

1233 seconds

System Integrity Protection: enabled

Crashed Thread:

• Dispatch

queue: com.apple.main-thread

Exception Type:

Exception Codes:

Termination Reason:

Terminating Process:

EXC_CRASH (SIGABRT)

0×0000000000000000,

0x0000000000000000

Namespace SIGNAL, Code 6 Abort trap: 6

Safari [1683]

Application

Specific Information:

[Re-Titled by Moderator]