Is there such a thing as a good free (temporary) antivirus that can be downloaded?

I just use http://housecall.trendmicro.com/ every month. anti- virus programs slow your computer down a lot.

Is there such a thing as a good free (temporary) antivirus that can be downloaded?virus protection software

AVG, good software and free for home users.

Is there such a thing as a good free (temporary) antivirus that can be downloaded?adware

Yes, there's lots of them. Try download.com, they have several.
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