Hi!, I have a trouble with the version 1.0.9 of the launcher.
I can't start the version 1.6.2 of the game, here te console:
LOG>
Launcher 1.0.9 (through bootstrap 4) started on windows...
Current time is Jul 11, 2013 7:26:43 PM
System.getProperty('os.name') == 'Windows 7'
System.getProperty('os.version') == '6.1'
System.getProperty('os.arch') == 'x86'
System.getProperty('java.version') == '1.7.0_25'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '32'
Loaded 1 profile(s); selected '(Default)'
Trying to log in...
Logging in with access token
Couldn't go online
net.minecraft.launcher.authentication.exceptions.InvalidCredentialsException: Invalid token.
at net.minecraft.launcher.authentication.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:123)
at net.minecraft.launcher.authentication.yggdrasil.YggdrasilAuthenticationService.logInWithToken(YggdrasilAuthenticationService.java:97)
at net.minecraft.launcher.authentication.yggdrasil.YggdrasilAuthenticationService.logIn(YggdrasilAuthenticationService.java:50)
at net.minecraft.launcher.ui.sidebar.login.NotLoggedInForm$1.run(NotLoggedInForm.java:162)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Going to play offline as 'Arkan'...
Delta time to compare resources: 626 ms
Download job 'Resources' skipped as there are no files to download
Job 'Resources' finished successfully
Trying to log in...
Logging in with access token
Getting syncinfo for selected version
Queueing library & version downloads
Couldn't go online
net.minecraft.launcher.authentication.exceptions.InvalidCredentialsException: Invalid token.
at net.minecraft.launcher.authentication.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:123)
at net.minecraft.launcher.authentication.yggdrasil.YggdrasilAuthenticationService.logInWithToken(YggdrasilAuthenticationService.java:97)
at net.minecraft.launcher.authentication.yggdrasil.YggdrasilAuthenticationService.logIn(YggdrasilAuthenticationService.java:50)
at net.minecraft.launcher.ui.sidebar.login.NotLoggedInForm$1.run(NotLoggedInForm.java:162)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Going to play offline as 'Arkan'...
Installed PartialVersion{id='1.5.2', updateTime=Tue Jul 02 14:27:58 ART 2013, releaseTime=Thu Apr 25 12:45:00 ART 2013, type=RELEASE}
Download job 'Version & Libraries' started (8 threads, 10 files)
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.0\lwjgl-platform-2.9.0-natives-windows.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.3\launchwrapper-1.3.jar for job 'Version & Libraries': Downloaded successfully and etag matched
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar for job 'Version & Libraries': Used own copy as it matched etag
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar for job 'Version & Libraries': Downloaded successfully and etag matched
Finished downloading C:\Users\Party Hard!\AppData\Roaming\.minecraft\versions\1.5.2\1.5.2.jar for job 'Version & Libraries': Downloaded successfully and etag matched
Job 'Version & Libraries' finished successfully
Launching game
Looking for old natives to clean up...
Unpacking natives to C:\Users\Party Hard!\AppData\Roaming\.minecraft\versions\1.5.2\1.5.2-natives-17537568827645
Launching in C:\Users\Party Hard!\AppData\Roaming\.minecraft
Running C:\Program Files (x86)\Java\jdk1.7.0_25\jre\bin\javaw.exe -Xmx512M -Djava.library.path=C:\Users\Party Hard!\AppData\Roaming\.minecraft\versions\1.5.2\1.5.2-natives-17537568827645 -cp C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.3\launchwrapper-1.3.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Party Hard!\AppData\Roaming\.minecraft\versions\1.5.2\1.5.2.jar net.minecraft.launchwrapper.Launch Arkan ${auth_session} --gameDir C:\Users\Party Hard!\AppData\Roaming\.minecraft --assetsDir C:\Users\Party Hard!\AppData\Roaming\.minecraft\assets
---- YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----
---- YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----
---- YOU CAN CLOSE THIS LAUNCHER IF THE GAME STARTED OK ----
---- (We'll do this automatically later ;D) ----
Client> jul 11, 2013 7:27:25 PM net.minecraft.launchwrapper.LogWrapper log
Client> INFO: Using tweak class name net.minecraft.launchwrapper.VanillaTweaker
Client> jul 11, 2013 7:27:25 PM net.minecraft.launchwrapper.LogWrapper log
Client> SEVERE: Unable to launch
Client> java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
Client> at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
Client> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
Client> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
Client> at java.lang.Class.forName0(Native Method)
Client> at java.lang.Class.forName(Class.java:270)
Client> at net.minecraft.launchwrapper.Launch.launch(Launch.java:53)
Client> at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Client> Caused by: java.io.FileNotFoundException: C:\Users\Party Hard (El sistema no puede encontrar el archivo especificado)
Client> at java.util.zip.ZipFile.open(Native Method)
Client> at java.util.zip.ZipFile.<init>(ZipFile.java:215)
Client> at java.util.zip.ZipFile.<init>(ZipFile.java:145)
Client> at java.util.jar.JarFile.<init>(JarFile.java:153)
Client> at java.util.jar.JarFile.<init>(JarFile.java:90)
Client> at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
Client> at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
Client> at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:83)
Client> at sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
Client> at sun.net.www.protocol.jar.JarURLConnection.getInputStream(JarURLConnection.java:150)
Client> at java.net.URL.openStream(URL.java:1037)
Client> at net.minecraft.launchwrapper.LaunchClassLoader.getClassBytes(LaunchClassLoader.java:351)
Client> at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165)
Client> ... 6 more
Client>
Game ended with no troubles detected (exit code 0)
Deleting C:\Users\Party Hard!\AppData\Roaming\.minecraft\versions\1.5.2\1.5.2-natives-17537568827645
Linked issues
Comments


Check your file system:
Caused by: java.io.FileNotFoundException: C:\Users\Party Hard (El sistema no puede encontrar el archivo especificado)

C:\Users\Party Hard!\AppData\
Use username without exclamation mark !

Thanks my problem is resolved!
happens to me too