If the crash happens during the "Cataloging" phase, your database is likely the culprit: Error encountered when loading - ACD Systems ... - Forums
Conclusion The message “ACDSee Ultimate has encountered a system error and will close now” is a symptom, not a diagnosis. Effective remediation pairs structured diagnostics (Event Viewer, safe isolation, driver checks, cache resets) with targeted fixes (disable GPU acceleration, update or roll back drivers, rebuild caches, reinstall). Preventive habits—backups, local storage, conservative driver updates—reduce future risk. When local triage cannot resolve a reproducible crash, detailed logs and crash dumps enable vendor engineers to find a fix; when hardware is implicated, timely replacement prevents recurring disruption. If the crash happens during the "Cataloging" phase,
ACD Systems has confirmed that some crashes are caused by bugs in Microsoft's Visual C++ packages. when hardware is implicated