I'm trying to get into Minecraft, but the launcher keeps on gaining a new tab named "Game Output", and it says nothing.

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Please include the full contents of the launcher log tab.

[Bot] Arisa, It worked on my home computer(even 1.8.7, which is what I usually use), but minecraft will not launch on my grandpa's computer, and I do have access to 1.8.7 on my home computer. But on my grandpa's computer, I tried 1.7, and it doesn't work. I even tried versions earlier than 1.7, and it does the same exact thing.

[Mod] Mustek, here's the lines of code that are declining my game entry:

[19:28:35 ERROR]: Couldn't launch game
java.io.IOException: Cannot run program "C:\Program Files (x86)\Java\jre7\bin\javaw.exe" (in directory "C:\Users\Ruddhouse\AppData\Roaming\.minecraft"): CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessBuilder.start(Unknown Source) ~[?:1.8.0_31]
at com.mojang.launcher.game.process.direct.DirectGameProcessFactory.startGame(DirectGameProcessFactory.java:14) ~[launcher.jar:1.6.11]
at net.minecraft.launcher.game.MinecraftGameRunner.launchGame(MinecraftGameRunner.java:208) [launcher.jar:1.6.11]
at com.mojang.launcher.game.runner.AbstractGameRunner.onDownloadJobFinished(AbstractGameRunner.java:186) [launcher.jar:1.6.11]
at com.mojang.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:122) [launcher.jar:1.6.11]
at com.mojang.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher.jar:1.6.11]
at com.mojang.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:86) [launcher.jar:1.6.11]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_31]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_31]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_31]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_31]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_31]
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method) ~[?:1.8.0_31]
at java.lang.ProcessImpl.<init>(Unknown Source) ~[?:1.8.0_31]
at java.lang.ProcessImpl.start(Unknown Source) ~[?:1.8.0_31]
... 12 more
[19:28:35 INFO]: Deleting C:\Users\Ruddhouse\AppData\Roaming\.minecraft\versions\1.7\1.7-natives-114788085631463

Download & install the Minecraft Installer from https://minecraft.net/download .

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