Thanks For Fast Reply ,i've done this before......even selected tamriel only .....My Last Mods= i reinstalled some of my mods again 1- Three tree mods(sfo,realistic aspen trees,dark fantasy) 2- mountain and rocking stones two 3- elfx [DynDOLOD.esp] Adding master "ELFXEnhancer.esp"[00:07:33.560] 4590 of 4592 done[00:07:33.601] disabled NeverFade, replaced by DynDOLOD LOD for SkyFalls + SkyMills + DG + DB + FS + WT.esp [REFR:310151C6] (places FXSFWaterfallBodyTallDistant [MSTT:310150D3] in GRUP Cell Persistent Children of [CELL:0002D4E0] (in Blackreach "Blackreach" [WRLD:0001EE62]) at 3,4)[00:07:33.615] Saving objects LOD data to F:\Program Files\The Elder Scrolls Skyrim\Edit Scripts\LODGen_Blackreach.txt[00:07:33.629] LOD references: 1511, unique LOD objects: 151[00:07:33.641] Gathering textures for atlas creationException in unit create line 122: Invalid nif file signature[Apply Script done] Processed Records: 0, Elapsed Time: 07:56