im crashing every time i use a snapshot heres the text crash file thingy
---- Minecraft Crash Report ----
// Oops.
Time: 2/2/13 9:44 PM
Description: Failed to start game
java.lang.SecurityException: SHA1 digest error for title/splashes.txt
at sun.security.util.ManifestEntryVerifier.verify(ManifestEntryVerifier.java:198)
at java.util.jar.JarVerifier.processEntry(JarVerifier.java:212)
at java.util.jar.JarVerifier.update(JarVerifier.java:199)
at java.util.jar.JarVerifier$VerifierStream.read(JarVerifier.java:449)
at java.io.FilterInputStream.read(FilterInputStream.java:116)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
at java.io.InputStreamReader.read(InputStreamReader.java:167)
at java.io.BufferedReader.fill(BufferedReader.java:136)
at java.io.BufferedReader.readLine(BufferedReader.java:299)
at java.io.BufferedReader.readLine(BufferedReader.java:362)
at bjc.<init>(SourceFile:67)
at net.minecraft.client.Minecraft.a(SourceFile:314)
at avc.a(SourceFile:56)
at net.minecraft.client.Minecraft.run(SourceFile:507)
at java.lang.Thread.run(Thread.java:680)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 13w05b
Operating System: Mac OS X (x86_64) version 10.5.8
Java Version: 1.6.0_26, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 440422768 bytes (420 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
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: 2.4.2
OpenGL: Intel GMA X3100 OpenGL Engine GL version 1.2 APPLE-1.5.48, Intel Inc.
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
---- Minecraft Crash Report ----
// Oops.
Time: 2/2/13 9:44 PM
Description: Failed to start game
java.lang.SecurityException: SHA1 digest error for title/splashes.txt
at sun.security.util.ManifestEntryVerifier.verify(ManifestEntryVerifier.java:198)
at java.util.jar.JarVerifier.processEntry(JarVerifier.java:212)
at java.util.jar.JarVerifier.update(JarVerifier.java:199)
at java.util.jar.JarVerifier$VerifierStream.read(JarVerifier.java:449)
at java.io.FilterInputStream.read(FilterInputStream.java:116)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
at java.io.InputStreamReader.read(InputStreamReader.java:167)
at java.io.BufferedReader.fill(BufferedReader.java:136)
at java.io.BufferedReader.readLine(BufferedReader.java:299)
at java.io.BufferedReader.readLine(BufferedReader.java:362)
at bjc.<init>(SourceFile:67)
at net.minecraft.client.Minecraft.a(SourceFile:314)
at avc.a(SourceFile:56)
at net.minecraft.client.Minecraft.run(SourceFile:507)
at java.lang.Thread.run(Thread.java:680)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 13w05b
Operating System: Mac OS X (x86_64) version 10.5.8
Java Version: 1.6.0_26, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 440422768 bytes (420 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
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: 2.4.2
OpenGL: Intel GMA X3100 OpenGL Engine GL version 1.2 APPLE-1.5.48, Intel Inc.
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
please answer really quick!