Issues accessing admin account in Windows7

Sylvia <sylvia0647@...>

Hi list, I’m having trouble accessing my admin user account on my Windows7 machine. This problem started last night. When I switch to my admin account, I get the following message.
"The User Profile Service service failed the logon. User profile cannot be loaded."
Any suggestions on how to fix this would be appreciated. I should note that I can’t even access system restore at this point.

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