Some software utilitairesne not worth a nail. This is the easy to use, ergonomic, and really very very effective. this parameter in one click. It uses two different search engines to scan for malicious software.
The full version of this care is the complete suite: antivirus, firewall, antispam ..
Note that the software can be tested 30 days for free download. The premeir full scan of the disk and very long (this is normal with antivirus) after it's faster.
In my view, the most effective software market currently, it outperforms other brands and it repairs or iole files that some other antivirus know not block or remove.