I was playing Minecraft some weeks ago (five to seven weeks ago) and then one day, I tried to play the game and it didn't work so I looked at the Development Console. I tried to reinstall multiple times but that didn't work.
[17:33:28 INFO]: Minecraft Launcher 1.3.8 (through bootstrap 5) started on windows...
[17:33:28 INFO]: Refreshing local version list...
[17:33:28 INFO]: Current time is Jan 15, 2014 5:33:28 PM
[17:33:28 INFO]: System.getProperty('os.name') == 'Windows 7'
[17:33:28 INFO]: System.getProperty('os.version') == '6.1'
[17:33:28 INFO]: System.getProperty('os.arch') == 'x86'
[17:33:28 INFO]: System.getProperty('java.version') == '1.7.0_45'
[17:33:28 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'
[17:33:28 INFO]: System.getProperty('sun.arch.data.model') == '32'
[17:33:28 INFO]: Refreshing remote version list...
[17:33:29 INFO]: Refresh complete.
[17:33:29 INFO]: Loaded 1 profile(s); selected 'MyLittlePonyCool'
[17:33:29 INFO]: Refreshing auth...
[17:33:29 INFO]: Logging in with access token
[17:33:46 INFO]: Getting syncinfo for selected version
[17:33:46 INFO]: Queueing library & version downloads
[17:33:47 INFO]: Download job 'Version & Libraries' started (16 threads, 27 files)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.12\twitch-platform-5.12-natives-windows-32.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1-nightly-20131120\lwjgl-platform-2.9.1-nightly-20131120-natives-windows.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-32.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar for job 'Version & Libraries'... (try 0)
[17:33:47 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Download job 'Resources' started (16 threads, 10 files)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-32.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.12\twitch-platform-5.12-natives-windows-32.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1-nightly-20131120\lwjgl-platform-2.9.1-nightly-20131120-natives-windows.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar for job 'Version & Libraries'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\53\53cc1890ebea833d3964c7dd1c90676650e34404 for job 'Resources'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\87\87722a59c8d488370f3d430cd4c97a3161081785 for job 'Resources'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\9c\9cbed0e40296f68c61090c9b81816061e068a0ec for job 'Resources'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\95\9528b6a76e7bac64ca1145cc682e8a8448cc04e5 for job 'Resources'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\dd\dd85fb564e96ee2dbd4754f711ae9deb08a169f9 for job 'Resources'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\74\74da65c99aa578486efa7b69983d3533e14c0d6e for job 'Resources'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\62\6254527d626a2c7d80901cc2e62dce3ba4bd81f6 for job 'Resources'... (try 0)
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\98\98a918eb2694defd19726436d4b9dca9e7dd6a65 for job 'Resources'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\5e\5e7d63e75c6e042f452bc5e151276911ef92fed8 for job 'Resources'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Attempting to download C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\6b\6b44d0539073353b7a05330ccddc5735ba5efca4 for job 'Resources'... (try 0)
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:48 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar for job 'Version & Libraries': Local file matches local checksum, using that
[17:33:53 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\53\53cc1890ebea833d3964c7dd1c90676650e34404 for job 'Resources': Downloaded successfully and hash matched
[17:34:25 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\9c\9cbed0e40296f68c61090c9b81816061e068a0ec for job 'Resources': Downloaded successfully and hash matched
[17:34:26 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\6b\6b44d0539073353b7a05330ccddc5735ba5efca4 for job 'Resources': Couldn't connect to server (SocketTimeoutException: 'Read timed out') but have local file, assuming it's good
[17:34:26 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar for job 'Version & Libraries': Couldn't connect to server (SocketTimeoutException: 'Read timed out') but have local file, assuming it's good
[17:34:26 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:38.915)
[17:34:26 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\62\6254527d626a2c7d80901cc2e62dce3ba4bd81f6 for job 'Resources': Couldn't connect to server (SocketTimeoutException: 'Read timed out') but have local file, assuming it's good
[17:34:26 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\5e\5e7d63e75c6e042f452bc5e151276911ef92fed8 for job 'Resources': Couldn't connect to server (SocketTimeoutException: 'Read timed out') but have local file, assuming it's good
[17:34:27 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\98\98a918eb2694defd19726436d4b9dca9e7dd6a65 for job 'Resources': Downloaded successfully and hash matched
[17:34:34 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\87\87722a59c8d488370f3d430cd4c97a3161081785 for job 'Resources': Downloaded successfully and hash matched
[17:34:36 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\95\9528b6a76e7bac64ca1145cc682e8a8448cc04e5 for job 'Resources': Downloaded successfully and hash matched
[17:34:50 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\74\74da65c99aa578486efa7b69983d3533e14c0d6e for job 'Resources': Downloaded successfully and hash matched
[17:34:53 INFO]: Finished downloading C:\Users\Emily\AppData\Roaming\.minecraft\assets\objects\dd\dd85fb564e96ee2dbd4754f711ae9deb08a169f9 for job 'Resources': Downloaded successfully and hash matched
[17:34:53 INFO]: Job 'Resources' finished successfully (took 0:01:04.926)
[17:34:53 INFO]: Launching game
[17:34:53 INFO]: Looking for old natives & assets to clean up...
[17:34:53 INFO]: Unpacking natives to C:\Users\Emily\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-6965865213485
[17:34:53 INFO]: Launching in C:\Users\Emily\AppData\Roaming\.minecraft
[17:34:53 INFO]: Half command: C:\Program Files\Java\jre7\bin\javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -Djava.library.path=C:\Users\Emily\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-6965865213485 -cp C:\Users\Emily\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar;C:\Users\Emily\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar;C:\Users\Emily\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar net.minecraft.client.main.Main
[17:34:53 INFO]: Client> Error: Could not find or load main class net.minecraft.client.main.Main
[17:34:53 ERROR]: Game ended with bad state (exit code 1)
[17:34:53 INFO]: Deleting C:\Users\Emily\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-6965865213485
[17:34:53 INFO]: Ignoring visibility rule and showing launcher due to a game crash

What I expected to happen was...:
I though that the game was going to go smoothly like it always did and play the game.

What actually happened was...:
I pressed play, the bar above the bottom part of the screen (where you log in, press play and change profile) took a while to finish and bam, Minecraft crashed and showed the launcher.
Steps to Reproduce:
1. For me, just press play and it happens over and over and over again.
2. ...
3. ...