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Couldn't download https://s3.amazonaws.com/Minecraft.Download/libraries/net/minecraft/launchwrapper/1.7/launchwrapper-1.7.jar for job 'Version & Libraries'
java.lang.RuntimeException: Server responded with 403
at net.minecraft.launcher.updater.download.Downloadable.download(Unknown Source)
at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(Unknown Source)
at net.minecraft.launcher.updater.download.DownloadJob.access$0(Unknown Source)
at net.minecraft.launcher.updater.download.DownloadJob$1.run(Unknown Source)
at java.util.concurrent.Executors$RunnableAdapter.call(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)

Gave up trying to download https://s3.amazonaws.com/Minecraft.Download/libraries/net/minecraft/launchwrapper/1.7/launchwrapper-1.7.jar for job 'Version & Libraries'
Job 'Version & Libraries' finished with 1 failure(s)!


The Message above is what I get when I log in using the 1.6.4 Optifine C7... I have no other mods other than optifine.... I have no problem running Un-Modded versions(1.6.4, 1.7.2) I really dont know why does this pop up (Same for Forge with or without mods)

This happened to me just 3 days ago....