Verdict: A Solid Stability Update

If you are running macOS Monterey (macOS 12) and hesitating to install the Photoshop 25.12 update, this is a safe and recommended install. It is not a major feature overhaul, but it is currently one of the most stable versions for older hardware that cannot upgrade to Ventura or Sonoma.

Less common, but "hot" could refer to thermal throttling or GPU drivers. Error 2512 has been linked to GPU timeouts on M1/M2 Macs running Monterey.

Monterey aggressively blocks unsigned DMGs.

Published: October 12, 2025 | Last Updated: 2 hours ago | Reading Time: 9 minutes

If you landed on this page, you are likely staring at a frustrating screen. Your cursor is spinning. The fans on your Mac are roaring like a jet engine (the "hot" part of the query). And somewhere in the chaos, you have seen a cryptic error code—2512—or a mention of “groupdmg” while trying to install or run Adobe Photoshop on macOS Monterey.

You are not alone. The search term "photoshop 2512 monter groupdmg hot" has been trending in creative professional forums because it represents a perfect storm of software conflicts: A legacy installer, a macOS permission lockdown, and a thermal throttle.

In this deep-dive article, we will unpack exactly what Error 2512 is, why the "GroupDMG" process is overheating your CPU, and how to apply the fix permanently.

Sometimes the orphaned mount point causes a ghost volume. This fix cleans the debris.

After reboot, attempt the Photoshop install again. For many users, this alone fixes error 2512 and prevents overheating.