He raised an eyebrow. "What did you do?"

She installed Sap2000 v22 from the archived installer. She opened the License Manager on the old machine. It saw the dongle immediately. "License: Sap2000 Advanced. Status: Active."

License Not Recognized.

Leila looked from the phone to the dead dongle, then to the clock. 2:15 AM. Four hours and forty-five minutes until doom. She could rebuild from the last backup—but that was from Tuesday. The intricate damping system she’d tuned over the last 48 hours would be gone. The bridge would wobble like a drunk in the analysis. She would be humiliated.

The green light flickered. Then held steady.