How to protect PC from Virus?

Unknowingly in many ways virus files intrudes in your system this your system gone to slow down. Some virus damages your valuable data to avoid and to protect your PC from virus attacks while on internet browsing or copying files form Pen Drive. This is possible with " Comodo Cleaning Essentials". Just scanning PC, Comodo neutralizes immediately after finding Rootkits, Hidden Files, Malicious Registry Keys, Untrusted Process files.
Without any installation this process can be done from Pendrive also.
To find Comodo cleaning essentials visit:

www.comodo.com/business-security/network-protection/cleaning_essentials.php