sudo spctl --master-enable sudo reboot If you see "groupdmg hot" repeatedly, your current macOS user profile may have corrupted launch daemons. This is the nuclear option, but it has a 99% success rate.
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This loop runs thousands of times per second. Because the mount point is locked by Monterey’s System Integrity Protection (SIP), the process never escapes the loop. The CPU core assigned to groupdmg runs at maximum frequency, drawing high current. On an M1 Mac, this manifests as the right side of the keyboard (near the M1 chip) getting alarmingly hot. sudo spctl --master-enable sudo reboot If you see
Published: October 12, 2025 | Last Updated: 2 hours ago | Reading Time: 9 minutes This loop runs thousands of times per second
When the installer tries to call groupdmg , Monterey’s new mount authentication asks for a password, but the Adobe background process cannot provide it. The result? A hung mount and error 2512.
Your Photoshop should now run cool, quiet, and error-free. If this guide saved your Mac from the "groupdmg hot" meltdown, share it with a fellow designer who is still hearing their fans scream.
