So I recently downloaded the latest build for TFC and took bioxx's advice and installed Fastcraft, and I attempted to install NEI/ the TFC plugin. Chickencore, Fastcraft, and TFC itself works, but Minecraft crashes whenever I launch it with NEI. Eventually, I don't know how, I managed to get Minecraft to open without crashing, but whenever I try to open a world, it crashes. I've uninstalled, reinstalled, tried different versions, and nothing happened. Here's the error report: ---- Minecraft Crash Report ----// I bet Cylons wouldn't have this problem.Time: 10/8/14 5:13 PMDescription: Exception in server tick loopjava.lang.RuntimeException: java.io.FileNotFoundException: C:UsersCornlordofPilaggisAppDataRoaming.minecraftsavestestNEIserver.cfg (The requested operation cannot be performed on a file with a user-mapped section open)at codechicken.lib.config.ConfigFile.saveConfig(ConfigFile.java:98)at codechicken.lib.config.ConfigTag.saveConfig(ConfigTag.java:29)at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:111)at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:116)at codechicken.lib.config.ConfigTagParent.getTag(ConfigTagParent.java:120)at codechicken.nei.NEIServerConfig.setDefaultFeature(NEIServerConfig.java:99)at codechicken.nei.NEIServerConfig.loadConfig(NEIServerConfig.java:75)at codechicken.nei.NEIServerConfig.load(NEIServerConfig.java:45)at codechicken.nei.ServerHandler.loadEvent(ServerHandler.java:45)at cpw.mods.fml.common.eventhandler.ASMEventHandler_30_ServerHandler_loadEvent_Load.invoke(.dynamic)at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:139)at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:73)at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:92)at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)Caused by: java.io.FileNotFoundException: C:UsersCornlordofPilaggisAppDataRoaming.minecraftsavestestNEIserver.cfg (The requested operation cannot be performed on a file with a user-mapped section open)at java.io.FileOutputStream.open(Native Method)at java.io.FileOutputStream.<init>(Unknown Source)at java.io.FileOutputStream.<init>(Unknown Source)at java.io.PrintWriter.<init>(Unknown Source)at codechicken.lib.config.ConfigFile.saveConfig(ConfigFile.java:96)... 15 moreA detailed walkthrough of the error, its code path and all known details is as follows:----------------------------------------------------------------------------------------- System Details --Details:Minecraft Version: 1.7.10Operating System: Windows 8 (amd64) version 6.2Java Version: 1.7.0_67, Oracle CorporationJava VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle CorporationMemory: 313788368 bytes (299 MB) / 522715136 bytes (498 MB) up to 1060372480 bytes (1011 MB)JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128MAABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) usedIntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 17FML: MCP v9.05 FML v7.10.84.1217 Minecraft Forge 10.13.1.1217 9 mods loaded, 9 mods activemcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableFML{7.10.84.1217} [Forge Mod Loader] (forge-1.7.10-10.13.1.1217.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableForge{10.13.1.1217} [Minecraft Forge] (forge-1.7.10-10.13.1.1217.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Availabletfc_coremod{0.79.6} [TFC[coremod]] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableCodeChickenCore{1.0.3.28} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableNotEnoughItems{1.0.3.60} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.3.60-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Availableterrafirmacraft{0.79.6} [TerraFirmaCraft] ([1.7.10]TerraFirmaCraft-0.79.6.245.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableFastCraft{1.9} [FastCraft] (fastcraft-1.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableTerraFirmaCraftNEIplugin{1.0.0} [TerraFirmaCraftNEIplugin] (TerraFirmaCraftNEIplugin-1.7.10-1.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->AvailableProfiler Position: N/A (disabled)Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) usedPlayer Count: 0 / 8; []Type: Integrated Server (map_client.txt)Is Modded: Definitely; Client brand changed to 'fml,forge'