Before one and half year before i had created a adsense account and it was apporved after that i have nerver no but tice on it. recently i have checked this then it show a error message that you account has been cloased please check your email where we havwe send message
it's because of you never used your adsense account for 6 Months. it's one of the policy of google adsense if you not use your account for 6 month then your account will automatic Closed by Google. you have to be in touch with that...