What is Virus? Why it Corrupt Software (.exe) File

A piece of code that damage remaining code of the program is called computer virus.

Therefore, software files consist on codes (statements written in C or C++ language). Viruses interact with these codes and corrupt software setup file.

Long time ago, I had some software setup files in my computer. That’s was my favorite programs but they all corrupted due to virus. As you know, when we reinstall windows operating system in our pc, all programs and applications deleted that were installed in previous windows. At this time, we need to install programs like VLC Media Player and we have setup file in the hard disk. When we double click on the setup file to