I can not start up my minecraft launcher for some reason(vanilla

Completely ignored arguments: [--nativeLauncherVersion, 307]
[19:33:44] [Client thread/INFO]: Setting user: killergrzjr
[19:33:44] [Client thread/INFO]: (Session ID is <censored>)
Exception in thread "Client thread" java.lang.NullPointerException
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213)
	at com.google.common.collect.Lists$ReverseList.<init>(Lists.java:767)
	at com.google.common.collect.Lists.reverse(Lists.java:759)
	at lt.b(SourceFile:156)
	at lt.<init>(SourceFile:43)
	at net.minecraft.server.MinecraftServer.<init>(SourceFile:155)
	at bpo.<init>(SourceFile:41)
	at ave.<init>(SourceFile:293)
	at net.minecraft.client.main.Main.main(SourceFile:124)
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release