Pb minecraft

Bonjour,

Je viens d acheter et je me retrouve coincer au launcher le bouton "play" est grisé impossible de lancer le jeu pourtant j'ai un profile un compte mojang (minecraft) mon pare feu ne bloque pas le jeu et j'ai déinstaller java et réinstaller et sa marche toujours pas
svp aidez moi

il y a écrit :

Launcher 1.1.1 (through bootstrap 5) started on windows...
Current time is Jul 19, 2013 12:04:32 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'
Unexpected exception refreshing version list
java.lang.NullPointerException
at net.minecraft.launcher.updater.VersionList.addVersion(VersionList.java:90)
at net.minecraft.launcher.updater.LocalVersionList.refreshVersions(LocalVersionList.java:44)
at net.minecraft.launcher.updater.VersionManager.refreshVersions(VersionManager.java:47)
at net.minecraft.launcher.Launcher$2.run(Launcher.java:169)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Loaded 1 profile(s); selected 'New Profile'
Refreshing auth...
Logging in with access token
Delta time to compare resources: 3465 ms
Download job 'Resources' skipped as there are no files to download
Job 'Resources' finished successfully

et c'est comme sa depuis hier

<config>Windows 7