Minecraft not launching at all

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here is the crash report

Minecraft Crash Report -------- Minecraft Crash Report ----// Don't be sad. I'll do better next time, I promise!
Time: 5/18/19 9:53 AMDescription: Ticking entity
java.lang.ClassCastException: fn cannot be cast to java.lang.Boolean at aig.i(SourceFile:76) at aqs.k(SourceFile:48) at air.h(SourceFile:2102) at ais.h(SourceFile:293) at dhn.a(SourceFile:165) at dhn$$Lambda$1953/1640043321.accept(Unknown Source) at bhi.a(SourceFile:676) at dhn.d(SourceFile:134) at cvk.m(SourceFile:1433) at cvk.e(SourceFile:925) at cvk.b(SourceFile:411) at net.minecraft.client.main.Main.main(SourceFile:154)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Client threadStacktrace: at aig.i(SourceFile:76) at aqs.k(SourceFile:48) at air.h(SourceFile:2102) at ais.h(SourceFile:293) at dhn.a(SourceFile:165) at dhn$$Lambda$1953/1640043321.accept(Unknown Source)
– Entity being ticked --Details: Entity Type: minecraft:pig (arf) Entity ID: 3962311 Entity Name: Pig Entity's Exact location: 1.06, 65.59, -1.78 Entity's Block location: World: (1,65,-2), Chunk: (at 1,4,14 in 0,-1; contains blocks 0,0,-16 to 15,255,-1), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Entity's Momentum: -0.09, -0.08, -0.04 Entity's Passengers: [] Entity's Vehicle: ~_ERROR~ NullPointerException: nullStacktrace: at bhi.a(SourceFile:676) at dhn.d(SourceFile:134)
– Affected level --Details: Level name: MpServer All players: 54 total; [djx['Andrewx3421m'/254030, l='MpServer', x=-7.21, y=69.00, z=0.28], djy['sullentaki'/3963068, l='MpServer', x=-6.41, y=67.00, z=-4.31], djy['Narone'/3951229, l='MpServer', x=-12.41, y=69.00, z=-22.19], djy['Hase222'/3959547, l='MpServer', x=-25.25, y=70.00, z=1.44], djy['Iman2002'/3959533, l='MpServer', x=-25.50, y=70.00, z=1.38], djy['Xander10J'/3961540, l='MpServer', x=-24.03, y=70.03, z=1.56], djy['KonimariPL'/3962773, l='MpServer', x=-25.22, y=70.00, z=1.94], djy['Brashke'/3952968, l='MpServer', x=-11.50, y=67.00, z=0.56], djy['Mudsta'/3962307, l='MpServer', x=-7.03, y=70.03, z=0.31], djy['VerCzit'/3954583, l='MpServer', x=-7.35, y=68.07, z=9.72], djy['KawaiiBella_'/3963091, l='MpServer', x=-24.47, y=70.00, z=0.53], djy['Jellyjdz'/3961168, l='MpServer', x=-41.25, y=73.00, z=-6.75], djy['fbenedetta'/3963070, l='MpServer', x=-5.69, y=86.05, z=-0.56], djy['Noemissius'/3963085, l='MpServer', x=-5.41, y=85.03, z=-0.91], djy['Blue_Bolt7'/3959549, l='MpServer', x=-25.16, y=70.00, z=-0.91], djy['IseifOu_dZ'/3962775, l='MpServer', x=-24.00, y=70.00, z=-0.22], djy['2bue62m4g2'/55, l='MpServer', x=-8.50, y=67.00, z=-4.50], djy['49tr2qn88b'/59, l='MpServer', x=-12.00, y=67.00, z=-8.00], djy['31_nico'/3959540, l='MpServer', x=-9.88, y=67.00, z=-4.84], djy['Phylos096'/3959741, l='MpServer', x=24.50, y=72.16, z=10.69], djy['W0lf1ng99'/3961747, l='MpServer', x=-5.06, y=75.00, z=-2.00], djy['Detrusion'/3958486, l='MpServer', x=26.22, y=72.00, z=-4.84], djy['NEOTHEATER'/3962777, l='MpServer', x=24.48, y=71.03, z=-9.64], djy['2r1qz0t647'/0, l='MpServer', x=3.50, y=67.00, z=-14.50], djy['306zezt5y6'/6, l='MpServer', x=3.50, y=68.00, z=-2.50], djy['1mmt2u5rvr'/8, l='MpServer', x=-0.50, y=68.00, z=-8.50], djy['5zoigglx78'/9, l='MpServer', x=1.50, y=68.00, z=-5.50], djy['simo88royale'/3963095, l='MpServer', x=-7.41, y=69.78, z=0.25], djy['kb8u4e2hrt'/1, l='MpServer', x=10.50, y=67.00, z=0.50], djy['690k9brs34'/2, l='MpServer', x=1.50, y=68.00, z=6.50], djy['7oz9upk467'/4, l='MpServer', x=-0.50, y=68.00, z=9.50], djy['59655kw78m'/7, l='MpServer', x=3.50, y=68.00, z=3.50], djy['CharlesJohn'/3946809, l='MpServer', x=-41.56, y=85.49, z=60.08], djy['Sacha_ltcs'/3950441, l='MpServer', x=-25.61, y=72.51, z=-37.49], djy['lop033'/3958491, l='MpServer', x=-25.47, y=71.09, z=-28.19], djy['YanM82'/3944492, l='MpServer', x=-34.98, y=72.27, z=-64.02], djy['Whitegard'/3948003, l='MpServer', x=-43.22, y=89.08, z=-41.00], djy['alccap'/3963646, l='MpServer', x=-23.84, y=70.00, z=0.03], djy['PoppyTheGreat'/3963740, l='MpServer', x=-26.78, y=74.53, z=0.59], djy['Comple_bubik'/3963089, l='MpServer', x=-7.16, y=69.67, z=0.22], djy['alvnmi'/3951022, l='MpServer', x=17.77, y=70.06, z=13.31], djy['MindQuad'/3958875, l='MpServer', x=3.50, y=67.00, z=-9.03], djy['Holzwein'/3964192, l='MpServer', x=-8.66, y=67.97, z=-7.44], djy['Sharksfan07'/3964194, l='MpServer', x=-23.56, y=70.00, z=1.13], djy['FreddyCracker'/3964196, l='MpServer', x=-10.76, y=67.00, z=-1.19], djy['Jonthebeast22'/3964198, l='MpServer', x=-24.16, y=70.00, z=-0.41], djy['Spongebob_567'/3963079, l='MpServer', x=-5.59, y=94.56, z=-0.94], djy['Adriann_Gay'/3963072, l='MpServer', x=-4.56, y=84.17, z=-0.47], djy['0_Palmer_0'/3962310, l='MpServer', x=-7.56, y=68.00, z=-7.72], djy['Alex_is_trash'/3964383, l='MpServer', x=-23.13, y=70.03, z=0.41], djy['TLT222'/3964385, l='MpServer', x=-23.59, y=70.03, z=1.50], djy['NewAccount1'/3964387, l='MpServer', x=-24.22, y=70.03, z=1.72], djy['Jas5Fire'/3959551, l='MpServer', x=-2.36, y=68.34, z=13.33], djy['captportugal'/3963093, l='MpServer', x=-3.06, y=67.00, z=-5.72]] Chunk stats: MultiplayerChunkCache: 5041, 169 Level seed: 0 Level generator: ID 01 - flat, ver 0. Features enabled: false Level generator options: {} Level spawn location: World: (-26,70,-1), Chunk: (at 6,4,15 in -2,-1; contains blocks -32,0,-16 to -17,255,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1) Level time: 227105881 game time, 389000 day time Level dimension: 0 Level storage version: 0x00000 - Unknown? Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Server brand: vanilla Server type: Non-integrated multiplayer serverStacktrace: at dhn.a(SourceFile:421) at cvk.b(SourceFile:1923) at cvk.b(SourceFile:426) at net.minecraft.client.main.Main.main(SourceFile:154)
– System Details --Details: Minecraft Version: 1.14.1 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 950970168 bytes (906 MB) / 1912602624 bytes (1824 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Launched Version: 1.14.1 LWJGL: 3.2.1 build 12 OpenGL: GeForce GTX 660/PCIe/SSE2 GL version 4.6.0 NVIDIA 391.35, NVIDIA Corporation GL Caps: Using GL 1.3 multitexturing.Using GL 1.3 texture combiners.Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.Shaders are available because OpenGL 2.1 is supported.VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs: vanilla, file/Faithful+1.13.2-rv2.zip Current Language: English (US) CPU: 8x Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz

You have already reported this before. Resolved as a duplicate of MC-153536.