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We are performing further investigations on your account, since we may need to ask you more details please confirm that your email address is up to date in order to be contacted. Thanks.

Best...

Ok, so you have an alterSite (hosting) account (why not alterBlog?).

Can you login on the control panel? Can you see the files?
Try to rename the plugins folder (wp-content/plugins/).

Bye!

Try using the recovery mode.

Bye!