It Depends on how far back you want to restore. System Restore will only let you know you go so far back. Try this and ask them there for help...
I reckon a Systems Restore might help you. If you know how to do- that try it & see what happen.If not ask again & we will advice you.
Hi... There is a setting in Yahoo mail to block in coming mail. If you look in the mail section + see Options ;Then ; Block Addresses, perhaps...
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