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Activity Monitor crashes on launch with SIGKILL "Code Signature Invalid" — survives full macOS reinstall, dyld_process_snapshot_get_shared_cache failed
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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6d
Activity Monitor crashes on launch with SIGKILL "Code Signature Invalid" — survives full macOS reinstall, dyld_process_snapshot_get_shared_cache failed
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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139
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6d