Pros and Cons of Antivirus Software

Antivirus software is designed to protect the system from external as well as malicious programs like a spyware, Virus, Trojan, malware etc. There are several types of applications available in the market many of which also work even as an antispyware. 

But there are disadvantages with every program as well as impairs the performance of the machine and in several cases become allow. There are also few disadvantages associated with this Antivirus support. Sometimes it impairs the system as well as makes it slow. If you speak about a standard application then it should not be affecting the performance of the PC. 

Whenever we speak about increasing the performance of the PC it also comes to us the program being used and if it is heavy as well as occupy huge space then the user might even think to get rid of it from PC. However using it is highly important for security reasons as well as from the performance point of view. There are times when we see that even after getting rid of a system cleaner there remain parts of the uninstalled software and these can create issues like disrupting normal functioning of the PC and slow speed. Shutting down as well as freezing.

There are many available online both paid versions and freeware are difficult to understand while they are being installed. There are several such programs which follow signature based detection within an executable file. But there are chances where you would not find any such pattern. Normally antivirus support follows a heuristic approach. File emulation is something which is used by several security programs. It is also a heuristic technique.  

It is not easy to develop a protective program which cannot cure the system without even affecting PCs performance or without leaving PC. However one has to remember as well as follow a simple approach as far as how it should work is concerned. It should work in such a way that it does not slow down the performance and even damage normal function of the system.  

A virus is extremely dangerous to a system. Not all are fool-proof and without demerits. However the benefits prevail over the consequences of malware. There are times when these deny access to legal programs. If the system downloads a file or runs it properly, then it may be due to the one running in the background.