why do I have a british high commission scam?

[Deana Maynard]

Everytime I try to compose a new email with my yahoo account this is attached to it ...

BRITISH HIGH COMMISSION, YOUR SCAMM RE COMPENSATION.
BRITISH HIGH COMMISSION
Metro Plaza, Plot 991/992
Zakari Maimalari Street
Cadastral Zone AO,
Central Business District, Abuja.
TEL: +2347037739708
bhc_highcommission01@yahoo.com

Attention,

The BRITISH High Commission in Nigeria,Benin Republic,Ghana and Bukina faso received a report of scam against you and other British/US citizens and Malaysia Etc. The countries of Nigeria Benin Republic, Bukina faso and Ghana have recompensed you following the meeting held with the Four countries' Government and various countries' high commission for the fraudulent activities carried out by the Four countries' Citizens. Your name was among those scammed as listed by the Nigeria Financial Intelligent Unit (NFIU).A Compensation has been issued out to all the affected victims and has been already in endorsement to all the victims. Yours was among those that was reported unpaid as at on Friday and we wish to advise you to see to the instructions of the Committee to make sure you receive your compensation immediately.

We advise that you do the needful to make sure the NFIU endorse your payment on Monday. Contact the office of the consular for an advise on how your recompense will be effected to you. Be advised that you should stop further contacts with all the fake lawyers and security companies who in collaboration scammed you. furnish us with the following details to satisfy you for the recompensation.

Full Name:
Home address:
Country:
Marital status:
Sex:
Occupation/profession:
Mobile number:
Age:

Call : +2347037739708 immediately to check if the delivery date suits you.

Yours in Service,
Robert Dewar, CONSULAR,
BRITISH HIGH COMMISSION
bhc_highcommission01@yahoo.com


what is this crap and how do I get it off my email?