damien van meurs

and this not to forget sorry again.

[18:13:30 INFO]: Looking for orphaned versions to clean up...
[18:13:30 FATAL]: Fatal error launching game. Report this to http://bugs.mojang.com please!
java.io.FileNotFoundException: File 'C:\Users\startklaar\AppData\Roaming\.minecraft\assets\indexes\legacy.json' does not exist
at org.apache.commons.io.FileUtils.openInputStream(FileUtils.java:299) ~[launcher.jar:?]
at org.apache.commons.io.FileUtils.readFileToString(FileUtils.java:1711) ~[launcher.jar:?]
at net.minecraft.launcher.Launcher.cleanupOrphanedAssets(Launcher.java:252) ~[launcher.jar:?]
at net.minecraft.launcher.Launcher.performCleanups(Launcher.java:494) ~[launcher.jar:?]
at net.minecraft.launcher.game.MinecraftGameRunner.launchGame(MinecraftGameRunner.java:221) ~[launcher.jar:?]
at com.mojang.launcher.game.runner.AbstractGameRunner.onDownloadJobFinished(AbstractGameRunner.java:185) [launcher.jar:?]
at com.mojang.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:122) [launcher.jar:?]
at com.mojang.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher.jar:?]
at com.mojang.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:86) [launcher.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_67]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_67]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.7.0_67]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.7.0_67]
at java.lang.Thread.run(Unknown Source) [?:1.7.0_67]
[18:13:49 INFO]: Game ended with no troubles detected (exit code 0)
[18:13:49 INFO]: Deleting C:\Users\startklaar\AppData\Roaming\.minecraft\versions\1.8\1.8-natives-3833810880841
[18:13:49 WARN]: Couldn't delete C:\Users\startklaar\AppData\Roaming\.minecraft\versions\1.8\1.8-natives-3833810880841 - scheduling for deletion upon exit

Ow, sorry for the inconvenience, I just did as you said and getting an endless list as shown below

[17:52:26] [Client thread/ERROR]: ########## GL ERROR ##########
[17:52:26] [Client thread/ERROR]: @ Post render
[17:52:26] [Client thread/ERROR]: 1286: Invalid framebuffer operation
[17:52:26] [Client thread/ERROR]: ########## GL ERROR ##########
[17:52:26] [Client thread/ERROR]: @ Post render
[17:52:26] [Client thread/ERROR]: 1286: Invalid framebuffer operation

just did a rerun to see if there was more info above it see below:

[18:13:36] [Client thread/INFO]: LWJGL Version: 2.9.1
[18:13:36] [Client thread/INFO]: Reloading ResourceManager: Default
[18:13:37] [Sound Library Loader/INFO]: Starting up SoundSystem...
[18:13:37] [Client thread/WARN]: File minecraft:sounds/mob/ghast/fireball.ogg does not exist, cannot add it to event minecraft:item.fireCharge.use
[18:13:37] [Thread-6/INFO]: Initializing LWJGL OpenAL
[18:13:37] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[18:13:37] [Thread-6/INFO]: OpenAL initialized.
[18:13:37] [Sound Library Loader/INFO]: Sound engine started
[18:13:40] [Client thread/INFO]: Created: 512x512 textures-atlas
[18:13:44] [Client thread/ERROR]: ########## GL ERROR ##########
[18:13:44] [Client thread/ERROR]: @ Post render
[18:13:44] [Client thread/ERROR]: 1286: Invalid framebuffer operation
[18:13:45] [Client thread/ERROR]: ########## GL ERROR ##########
[18:13:45] [Client thread/ERROR]: @ Post render
[18:13:45] [Client thread/ERROR]: 1286: Invalid framebuffer operation