When i open World of Minecraft client i click sign in! I make sure my username and password are right(my minecraft.net username&password) and i make sure 15 times i sign in and it says unable to authenticate... when i played with World of Minecraft 3 hours before on another computer! PLEASE HELP ME!!!!!!!!!!!!!!!!

~Staff~

Please post in the proper topic instead of making a new one thanks.

-Lunick