So you're saying that I cant use optifine and I have to update forge?

---- Minecraft Crash Report ----
// I feel sad now

Time: 12/22/15 9:41 PM
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
at cpw.mods.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:101)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at cpw.mods.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:101)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)

-- Ticking connection --
Details:
Connection: net.minecraft.network.NetworkManager@429de65a
Stacktrace:
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 912441896 bytes (870 MB) / 1756364800 bytes (1675 MB) up to 3817865216 bytes (3641 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 1, tcache: 20, allocated: 12, tallocated: 95
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1481 Optifine OptiFine_1.7.10_HD_U_B8 51 mods loaded, 51 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1481-1.7.10.jar)
UCHIJAAAA Forge{10.13.4.1481} [Minecraft Forge] (forge-1.7.10-10.13.4.1481-1.7.10.jar)
UCHIJAAAA CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UCHIJAAAA NotEnoughItems{1.0.5.118} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.118-universal.jar)
UCHIJAAAA VeinMiner_coremod{0.21.2_build-43} [Core mod] (minecraft.jar)
UCHIJAAAA <CoFH ASM>{000} [CoFH ASM] (minecraft.jar)
UCHIJAAAA Pistronics2{0.6.3} [Pistronics 2] (1.7.10-Pistronics2-v0.6.3.jar)
UCHIJAAAA bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar)
UCHIJAAAA Treecapitator{1.7.10} [Treecapitator] ([1.7.10]Treecapitator-universal-2.0.4.jar)
UCHIJAAAA Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar)
UCHIJAAAA BiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar)
UCHIJAAAA BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1067-universal.jar)
UCHIJAAAA CarpentersBlocks{3.3.7} [Carpenter's Blocks] (Carpenter's Blocks v3.3.7 - MC 1.7.10.jar)
UCHIJAAAA TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar)
UCHIJAAAA ForgeMultipart{1.2.0.345} [Forge Multipart] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UCHIJAAAA chisel{2.5.1.44} [Chisel 2] (Chisel2-2.5.1.44.jar)
UCHIJAAAA CoFHCore{1.7.10R3.0.3} [CoFH Core] (CoFHCore-[1.7.10]3.0.3-303.jar)
UCHIJAAAA customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d.jar)
UCHIJAAAA PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.2.1_1.7.10.jar)
UCHIJAAAA props{2.2.1} [Decocraft] (Decocraft-2.2.1_1.7.10.jar)
UCHIJAAAA iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UCHIJAAAA LunatriusCore{1.1.2.21} [LunatriusCore] (LunatriusCore-1.7.10-1.1.2.21-universal.jar)
UCHIJAAAA Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar)
UCHIJAAAA Morph{0.9.2} [Morph] (Morph-Beta-0.9.2.jar)
UCHIJAAAA MrTJPCoreMod{1.1.0.31} [MrTJPCore] (MrTJPCore-1.1.0.31-universal.jar)
UCHIJAAAA ProjRed|Core{4.7.0pre9.92} [ProjectRed Core] (ProjectRed-1.7.10-4.7.0pre9.92-Base.jar)
UCHIJAAAA ProjRed|Transmission{4.7.0pre9.92} [ProjectRed Transmission] (ProjectRed-1.7.10-4.7.0pre9.92-Integration.jar)
UCHIJAAAA ProjRed|Transportation{4.7.0pre9.92} [ProjectRed Transportation] (ProjectRed-1.7.10-4.7.0pre9.92-Mechanical.jar)
UCHIJAAAA ProjRed|Exploration{4.7.0pre9.92} [ProjectRed Exploration] (ProjectRed-1.7.10-4.7.0pre9.92-World.jar)
UCHIJAAAA ThermalFoundation{1.7.10R1.2.0} [Thermal Foundation] (ThermalFoundation-[1.7.10]1.2.0-102.jar)
UCHIJAAAA ThermalExpansion{1.7.10R4.0.3B1} [Thermal Expansion] (ThermalExpansion-[1.7.10]4.0.3B1-218.jar)
UCHIJAAAA Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
UCHIJAAAA TConstruct{1.7.10-1.8.5.build957} [Tinkers' Construct] (TConstruct-1.7.10-1.8.5.jar)
UCHIJAAAA ProjRed|Compatibility{4.7.0pre9.92} [ProjectRed Compatibility] (ProjectRed-1.7.10-4.7.0pre9.92-Compat.jar)
UCHIJAAAA ProjRed|Integration{4.7.0pre9.92} [ProjectRed Integration] (ProjectRed-1.7.10-4.7.0pre9.92-Integration.jar)
UCHIJAAAA ProjRed|Fabrication{4.7.0pre9.92} [ProjectRed Fabrication] (ProjectRed-1.7.10-4.7.0pre9.92-Fabrication.jar)
UCHIJAAAA ProjRed|Illumination{4.7.0pre9.92} [ProjectRed Illumination] (ProjectRed-1.7.10-4.7.0pre9.92-Lighting.jar)
UCHIJAAAA ProjRed|Expansion{4.7.0pre9.92} [ProjectRed Expansion] (ProjectRed-1.7.10-4.7.0pre9.92-Mechanical.jar)
UCHIJAAAA Schematica{1.7.6.129} [Schematica] (Schematica-1.7.10-1.7.6.129-universal.jar)
UCHIJAAAA SlimevoidLib{2.0.4.7} [Slimevoid Library] (SlimevoidLibrary-2.0.4.7.jar)
UCHIJAAAA ThermalDynamics{1.7.10R1.1.0} [Thermal Dynamics] (ThermalDynamics-[1.7.10]1.1.0-161.jar)
UCHIJAAAA VeinMiner{0.21.2} [Vein Miner] (VeinMiner-1.7.10_0.21.2.43.jar)
UCHIJAAAA VeinMinerModSupport{0.21.2} [Mod Support] (VeinMiner-1.7.10_0.21.2.43.jar)
UCHIJAAAA worldedit{6.0-beta-01} [WorldEdit] (worldedit-forge-mc1.7.10-6.0-beta-01.jar)
UCHIJAAAA XaeroMinimap{1.6.1.2} [Xaero's Minimap] (xaeros_minimap_v1.6.1.2_Forge_1.7.10.jar)
UCHIJAAAA McMultipart{1.2.0.345} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UCHIJAAAA ForgeRelocation{0.0.1.4} [ForgeRelocation] (ForgeRelocation-1.7.10-0.0.1.4-universal.jar)
UCHIJAAAA MCFrames{1.0} [MCFrames] (ForgeRelocation-1.7.10-0.0.1.4-universal.jar)
UCHIJAAAA RelocationFMP{0.0.1.2} [RelocationFMP] (ForgeRelocationFMP-1.7.10-0.0.1.2-universal.jar)
UCHIJAAAA ForgeMicroblock{1.2.0.345} [Forge Microblocks] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
CoFHCore: -[1.7.10]3.0.3-303
Mantle Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: optifine
ThermalFoundation: -[1.7.10]1.2.0-102
ThermalExpansion: -[1.7.10]4.0.3B1-218
TConstruct Environment: Environment healthy.
ThermalDynamics: -[1.7.10]1.1.0-161
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['PeterLovesCheese'/153, l='Plez', x=241.11, y=65.00, z=1689.86]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

I tried to update, but it only resulted in a crash

Normally, when you press pause and go to the options, it's supposed to say "press O for more options," and then you get the oprions for the iChunUtil mods