Besides a disabled Blogger account, loss of AdSense, Blogger, Picasa, and other services is reported. This is similar to an earlier experience from May 2011.
In many cases, people with disabled accounts should be automatically redirected to Google Accounts Help: Account has been disabled.
You can start there, where you are advised, generically, why accounts are being disabled.
If your account was not righteously disabled, you'll find the appropriate instruction in the last paragraph.
Please start by reviewing the relevant Terms of Service. Then, if you think your account should not have been disabled, please contact us.Clicking on "contact us", you see Google Accounts Help: My account is disabled. Here, you are advised
Please summarize what happened when your account became disabled so we can investigate. We'll follow up with you only if we require more information or we have additional information to share.
Be sure to provide an active email address, for contact. When you fill out the form, this is not the time for insisting on anonymity. Selecting "No", for
Do you currently have access to the email address that you use to sign in to your account?you are asked for
An email address we can use to contact youIf you truly want your account reactivated, provide an email account which you use, or check, frequently.
Having filled out the form, and hit "Submit", you wait patiently. The number of similar reports, combined with the time of year (such as the first week following end of year holidays, when many people receive new computers), may cause the queue, from this form, to be processed relatively slowly.
Note that fuzzy spam classification may result in various Google accounts and assets being taken off-line and even deleted - and the accounts and assets may not all be restored immediately - or even simultaneously.
Specifically, we have noted latency on restoration of Blogger blogs, after the owning Blogger accounts are brought back on-line. If your Blogger account is the victim of "suspicious activity", plan for your blogs to be off-line 24 to 48 hours after the account has been restored. Blogger Engineers are aware that this is a problem.