Recorded by MinecraftError:
java.io.FileNotFoundException: C:\Users\john\AppData\Roaming\.minecraft\lastlogin (The system cannot find the file specified)
	at java.io.FileInputStream.open(Native Method)
	at java.io.FileInputStream.<init>(Unknown Source)
	at net.minecraft.LoginForm.readUsername(LoginForm.java:131)
	at net.minecraft.LoginForm.<init>(LoginForm.java:76)
	at net.minecraft.LauncherFrame.<init>(LauncherFrame.java:30)
	at net.minecraft.LauncherFrame.main(LauncherFrame.java:158)
Exception in thread "Thread-7"