MissingTex and Error!

Hi~! I'm having the first error i've ever expierenced. When I open the launcher the Login section is black. When I do login a white screen appears with "Missingtex" Then there's an error.




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\John\AppData\Roaming\.minecraft\crash-reports\crash-2013-01-17_03.53.00-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 fe013327 --------
Full report at:
C:\Users\John\AppData\Roaming\.minecraft\crash-reports\crash-2013-01-17_03.53.00-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 17/01/13 3:53 AM

-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_10, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 407968248 bytes (389 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -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® HD Graphics GL version 3.1.0 - Build 8.15.10.2696, Intel
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

java.lang.RuntimeException: javax.imageio.IIOException: Can't create cache file!
at atq.<init>(SourceFile:61)
at net.minecraft.client.Minecraft.a(SourceFile:245)
at asq.a(SourceFile:56)
at net.minecraft.client.Minecraft.run(SourceFile:515)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.imageio.IIOException: Can't create cache file!
at javax.imageio.ImageIO.createImageInputStream(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at atq.<init>(SourceFile:56)
... 4 more
Caused by: java.nio.file.AccessDeniedException: C:\Users\John\AppData\Local\Temp\imageio913379444258048447.tmp
at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsFileSystemProvider.newByteChannel(Unknown Source)
at java.nio.file.Files.newByteChannel(Unknown Source)
at java.nio.file.Files.createFile(Unknown Source)
at java.nio.file.TempFileHelper.create(Unknown Source)
at java.nio.file.TempFileHelper.createTempFile(Unknown Source)
at java.nio.file.Files.createTempFile(Unknown Source)
at javax.imageio.stream.FileCacheImageInputStream.<init>(Unknown Source)
at com.sun.imageio.spi.InputStreamImageInputStreamSpi.createInputStreamInstance(Unknown Source)
... 7 more
--- END ERROR REPORT 390d20b4 ----------

Please help!

---- Minecraft Crash Report ----
// Why is it breaking

Time: 17/01/13 3:53 AM
Description: Failed to start game

java.lang.RuntimeException: javax.imageio.IIOException: Can't create cache file!
at atq.<init>(SourceFile:61)
at net.minecraft.client.Minecraft.a(SourceFile:245)
at asq.a(SourceFile:56)
at net.minecraft.client.Minecraft.run(SourceFile:515)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.imageio.IIOException: Can't create cache file!
at javax.imageio.ImageIO.createImageInputStream(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at atq.<init>(SourceFile:56)
... 4 more
Caused by: java.nio.file.AccessDeniedException: C:\Users\John\AppData\Local\Temp\imageio913379444258048447.tmp
at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsFileSystemProvider.newByteChannel(Unknown Source)
at java.nio.file.Files.newByteChannel(Unknown Source)
at java.nio.file.Files.createFile(Unknown Source)
at java.nio.file.TempFileHelper.create(Unknown Source)
at java.nio.file.TempFileHelper.createTempFile(Unknown Source)
at java.nio.file.Files.createTempFile(Unknown Source)
at javax.imageio.stream.FileCacheImageInputStream.<init>(Unknown Source)
at com.sun.imageio.spi.InputStreamImageInputStreamSpi.createInputStreamInstance(Unknown Source)
... 7 more


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

-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_10, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 407968248 bytes (389 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -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® HD Graphics GL version 3.1.0 - Build 8.15.10.2696, Intel
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