I have a problem with Forge(1.6.4).I have been playing minecraft with mods since 1 month ago and i didnt have this problem.But one day i pressed play and this error came up
Couldn't download https://s3.amazonaws.com/Minecraft.Download/libraries/lzma/lzma/0.0.1/lzma-0.0.1.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$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
I have seen some videos telling that the problem is that some library folders arent installed.I download a library folder and put it in and instead of finished with 3 failure(s)it said finished with 4 failure(s).So it is the library folder.