Keep your computer safe, scan your computer a minimum of once a week or to be sure scan once a week.
Also another thing is attachments, these can cause alot of problems so if your not sure of the source or just dont
trust it then just delete the file. Or another option is to scan the file with more than one anti virus.
Have your anti virus start upon booting (Starting) your computer.
AVG:

Avira:

Avast:

Malwarebytes:

PandaCloud:

Comodo:

Microsoft Security Essentials:

Immunet:

Digital Defender:

Ad-Aware Free:

Norton Power Eraser:

Clamwin (Open-Source):

Rising AV:

PC Tools Free Edition:

Sorry i dont have any ratings but im sure if you type the anti-virus name into google you will find a detailed review of each and everyone of these anti-viruses.






