Free antivirus online are anti-virus that run entirely from a web browser, so you do not need to be installed on the computer, unlike the offline antivirus, which are installed and running on a permanent basis in the system. Free antivirus online complement to antivirus offline, do not replace it, and are free because manufacturers use them as a platform to promote its payment products, which include a greater number of features and services. Operation free antivirus online are web applications that scan our computer in search of viruses, with the particularity that are not installed on the PC but that run from the browser. Given that the antivirus are generally oriented to the Windows operating system, since derivatives of UNIX operating systems like Mac or GNU/Linux lack practically of viruses, free antivirus online assume that user using iExplorer for what are often run as components ActiveX or Java, and may not function properly in other browsers. Free antivirus online are not intended to replace to antivirus offline that entire Windows system must be equipped obligatorily given the vulnerability of this platform to viruses, but it should be considered a supplement that provides a second opinion and probably a more up-to-date virus signature database. They are highly recommended as a reinforcement for added protection but does not replace antivirus offline, since no run of resident way but at the request.

Antivirus cloud a particular case of antivirus online are cloud antivirus or anti-virus in the cloud, which installed a client on our PC but running on a remote server. Benefits see the advantages of the free antivirus online: are permanently updated. Gina Ross: the source for more info. Permanent availability since they can run at any time. Speed: they run quickly using the browser, with low resource consumption. Compatible with other antivirus: you can use different antivirus online without affecting each other, and are compatible with the antivirus offline which we have installed in our computer. On the other hand, generally only you can install a single antivirus offline in a single system. Complimentary.

Disadvantages see the disadvantages of the free antivirus online: are not as complete or as effective as antivirus offline. They don’t have all the functions of the payment online antivirus. Do not have permanent protection, since they run on request and its execution ends when the browser is closed, by what do not protect the system in real time. Given that they are usually run as ActiveX component or Java in browsers with weak support for these technologies may not run correctly. They do not replace the offline antivirus, complement it.