Minecraft Forums

Hi,

I open up my launcher fine, but when I click play it loads the green bar and then does nothing. Here is the dev console
[12:00:13 INFO]: Job 'Resources' finished successfully (took 0:00:00.306)
[12:00:13 INFO]: Launching game
[12:00:13 INFO]: Looking for old natives & assets to clean up...
[12:00:13 INFO]: Unpacking natives to C:\Users\BlueFin\AppData\Roaming\.minecraft\versions\1.7.2\1.7.2-natives-50413037432698
[12:00:13 INFO]: Reconstructing virtual assets folder at C:\Users\BlueFin\AppData\Roaming\.minecraft\assets\virtual\legacy
[12:00:13 ERROR]: Couldn't unpack natives!
java.io.IOException: Source 'C:\Users\BlueFin\AppData\Roaming\.minecraft\assets\objects\ad\ad126e435cca94054bf0d616301799a105526cde' exists but is a directory
at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:1077) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.reconstructAssets(GameLauncher.java:352) ~[launcher.jar:?]
at net.minecraft.launcher.GameLauncher.launchGame(GameLauncher.java:221) [launcher.jar:?]
at net.minecraft.launcher.GameLauncher.onDownloadJobFinished(GameLauncher.java:619) [launcher.jar:?]
at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:120) [launcher.jar:?]
at net.minecraft.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher.jar:?]
at net.minecraft.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:89) [launcher.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_45]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.7.0_45]
at java.lang.Thread.run(Unknown Source) [?:1.7.0_45]

I have been trying to fix this and have no idea what to do next pls help!

My java and everything else is already up to date.

You may need to reinstall the locally installed files that Minecraft puts into place.
To do so, press your Windows+R keys, type in %AppData% at the dialog, and press Enter. In the window that appears, open the .minecraft directory, and delete everything except for the saves directory that you see therein. Then, try running Minecraft again. Good luck!