Client Crashing [Bootstrap error]

When i open the launcher appears this in the end:
"FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to start: java.lang.reflect.InvocationTargetException
at net.minecraft.bootstrap.Bootstrap.startLauncher(Bootstrap.java:242)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:124)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)

Please fix the error and restart."

I tried delete the .minecraft folder and the problem persist