FAQ: Skyrim: ILS or CTD A: If heap memory is not the cause of CTD see Docs\ DynDOLOD-README.txt for checking if a missing or invalid nif model used for dynamic LOD is the cause. The problem is unrelated to the installed options from DynDOLOD Resources. Install crash fixes. It will have a pop-up message in case a missing/corrupt nif is the problem. It will note the form IDs of the reference and base record for easy lookup in xEdit. For more info you can number from google tech support number