I can not use MineCraft!!!!

Completely ignored arguments: [--nativeLauncherVersion, 307]
[10:18:21] [Client thread/INFO]: Setting user: RustedBolt05
[10:18:21] [Client thread/INFO]: (Session ID is <censored>)
Exception in thread "Client thread" com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 1
	at com.google.gson.Gson.fromJson(Gson.java:815)
	at com.google.gson.Gson.fromJson(Gson.java:768)
	at net.minecraft.ujb.b(ujb.java)
	at net.minecraft.ujb.<init>(ujb.java)
	at net.minecraft.gjb.<init>(gjb.java)
	at net.minecraft.hjb.<init>(hjb.java)
	at net.minecraft.client.kb.<init>(kb.java)
	at net.minecraft.client.main.Main.main(Main.java)
Caused by: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 1
	at com.google.gson.stream.JsonReader.beginArray(JsonReader.java:338)
	at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:79)
	at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60)
	at com.google.gson.Gson.fromJson(Gson.java:803)
	... 7 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release