For v3, you can remotely deactivate old machines yourself via the Lemon Squeezy portal. For v2, you must email support at nate@natephotographic.com to reset your activations.

: This usually indicates a formatting error or a version mismatch. Check for extra spaces at the end of the pasted key. Troubleshooting | Negative Lab Pro

. If you have exceeded this limit (e.g., after upgrading your hardware), you will receive an "Out of Uses" error. Network Restrictions