Activity Monitor crashes on launch with SIGKILL "Code Signature Invalid" — survives full macOS reinstall, dyld_process_snapshot_get_shared_cache failed

Community Apple Developers
Money4Girls OP
Created 1d
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Hi all — looking for insight on a stubborn Activity Monitor crash on macOS 26.4.1 (25E253) that has me stumped after a full system reinstall.

Symptoms

Activity Monitor crashes immediately on every launch, regardless of method (Spotlight, Launchpad, Finder, open command). The icon appears in the Dock for ~28ms and vanishes. No error dialog. Reproducible 100%.

Crash signature

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DTS Engineer OP
Apple
1d

Activity Monitor crashes immediately on every launch, regardless of method (Spotlight, Launchpad, Finder, open command). The icon appears in the Dock for ~28ms and vanishes. No error dialog. Reproducible 100%.

Have you filed a bug on this and, if so, what's the bug number?

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Kevin Elliott
DTS Engineer, CoreOS/Hardware

0
Activity Monitor crashes on launch with SIGKILL "Code Signature Invalid" — survives full macOS reinstall, dyld_process_snapshot_get_shared_cache failed
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