When I updated to 2.5, everything worked fine (given the High RAM usage and lag), then once updating to 2.5.2, I suddenly no longer have the engines. I deleted my 2.5 install and installed 2.5.2 cleanly. I've tried reinstalling KW from both the Spaceport and MEGA lnks, any idea what's going on? EDIT: In all my installations, I've left the auto-shroud config folder next to the parts folder, and the config folder has the engines inside of the file structure as well, could this cause some weird conflicts? Testing it now. EDIT2: Actually, I've found a more likely culprit than the alternative part.cfgs, I still have the Sonambulic Aerospace pack from a few KW versions ago. I forgot to remove it from my main KSP installation (I have KSP on two different drives and only removed the SA pack from one.) Still no dice. the log shows all the KW models and textures are loading in, but when it tries to compile several of the parts, it gives me this: [LOG 11:02:11.522] PartLoader: Compiling Part 'KW Rocketry/Parts/Engines/1mWildcat5/part/KW1mengineWildCatV' [ERR 11:02:11.523] PartCompiler: Cannot clone model 'KWRocketry/Parts/Engines/1mWildcat5/KW_1mEngine_Wildcat5_M' as model does not exist [ERR 11:02:11.525] PartCompiler: Cannot clone model 'KWRocketry/Parts/Structural/KWDecouplerShroud/KW_Auto_1mWildcatShroud' as model does not exist [ERR 11:02:11.526] PartCompiler: Model was not compiled correctly [ERR 11:02:11.526] PartCompiler: Cannot compile model [ERR 11:02:11.527] PartCompiler: Cannot compile part Full KW part compile log sequence here