Crashing!!!

[KillerKozmo]

Whenever I download it(I watched the tutorial videos complete) and it crashed I cleared my minecraft on a different 1 still nothing when I downloaded a brand new minecraft I tried to install the installer and when I load it with java it does not open???And then now when I run it it brings up a new error something like this :

 

Fatal error launching game. Report this to http://mojang.atlassian.net please!

java.lang.RuntimeException: Classpath file not found: C:\Users\zman7_000\AppData\Roaming\.minecraft\libraries\net\minecraftforge\minecraftforge\9.10.0.804\minecraftforge-9.10.0.804.jar

at net.minecraft.launcher.GameLauncher.constructClassPath(GameLauncher.java:396)

at net.minecraft.launcher.GameLauncher.launchGame(GameLauncher.java:230)

at net.minecraft.launcher.GameLauncher.onDownloadJobFinished(GameLauncher.java:499)

at net.minecraft.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:112)

at net.minecraft.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:10)

at net.minecraft.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:84)

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)

 

 

Please help me!!!

[luacs1998]

Use the installer.

[KillerKozmo]

I did dude I tried all the ways still havn't worked D: I really wanna download this mod called "RivalRebels" so bad but now I can D";