Minecraft 1.5.2 Crash Report

I was going to run Minecraft 1.5.2 and I got this crash report. Please fix it.
 
Minecraft has crashed!      
      ----------------------      
 
Minecraft has stopped running because it encountered a problem; Failed to start game
 
A full error report has been saved to C:\Users\youngwook\AppData\Roaming\.minecraft\crash-reports\crash-2018-10-08_14.09.22-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash 😞
 
 
 
— BEGIN ERROR REPORT b10db622 --------
Full report at:
C:\Users\youngwook\AppData\Roaming\.minecraft\crash-reports\crash-2018-10-08_14.09.22-client.txt
Please show that file to Mojang, NOT just this screen!
 
Generated 18. 10. 8 오후 2:09
 
– System Details –
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 54421712 bytes (51 MB) / 100663296 bytes (96 MB) up to 1073741824 bytes (1024 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.9.0
OpenGL: GeForce GT 520M/PCI/SSE2 GL version 4.1.0, NVIDIA Corporation
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~_ERROR~ NullPointerException: null
 
java.lang.NullPointerException
at java.io.Reader.<init>(Reader.java:78)
at java.io.InputStreamReader.<init>(InputStreamReader.java:97)
at bp.a(SourceFile:64)
at bp.a(SourceFile:100)
at net.minecraft.client.Minecraft.a(SourceFile:252)
at avv.a(SourceFile:56)
at net.minecraft.client.Minecraft.run(SourceFile:507)
at java.lang.Thread.run(Thread.java:745)
— END ERROR REPORT 42225852 ----------