Hopper: java.lang.NullPointerException: Updating screen events

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-465533/

Crash:

java.lang.NullPointerException: Updating screen events
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at bqi.c(SourceFile:69)
	at bqx.a(SourceFile:34)
	at bqx.a(SourceFile:89)
	at azd.b(SourceFile:488)
	at bgh.a(SourceFile:151)
	at bcd.a(SourceFile:172)
	at bgh.a(SourceFile:158)
	at bcd.d(SourceFile:236)
	at bcd.k(SourceFile:211)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 10/25/13 7:56 AM
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at bqi.c(SourceFile:69)
	at bqx.a(SourceFile:34)
	at bqx.a(SourceFile:89)
	at azd.b(SourceFile:488)
	at bgh.a(SourceFile:151)
	at bcd.a(SourceFile:172)
	at bgh.a(SourceFile:158)
	at bcd.d(SourceFile:236)
	at bcd.k(SourceFile:211)
	at azd.o(SourceFile:1303)
	at azd.ad(SourceFile:753)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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

-- Head --
Stacktrace:
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at bqi.c(SourceFile:69)
	at bqx.a(SourceFile:34)
	at bqx.a(SourceFile:89)
	at azd.b(SourceFile:488)
	at bgh.a(SourceFile:151)
	at bcd.a(SourceFile:172)
	at bgh.a(SourceFile:158)
	at bcd.d(SourceFile:236)
	at bcd.k(SourceFile:211)

-- Affected screen --
Details:
	Screen name: bgh
Stacktrace:
	at azd.o(SourceFile:1303)
	at azd.ad(SourceFile:753)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 64676616 bytes (61 MB) / 230162432 bytes (219 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: GeForce GTX 670/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [Emerald X-Ray Pack.zip]
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-465533/21352941/