: The following is a brief discussion of some of the harmful aspects of the virus: (1) The computer suddenly hangs while running and interrupts work. In this case, the computer has to be restarted, so many valuable data that is not saved is lost. (2) Valuable data saved on disk can be lost. (3) It can corrupt the executable files of many important widely used programs. As a result, this program will no longer run. (4) The competitor can inflict huge losses on the company by infiltrating the computerized corporate system of the company and smuggling a lot of confidential information. (5) Everywhere viruses can destroy all important programs and data by formatting the hard disk. (6) The virus slows down the computer while carrying out its reproductive activities. (6) Hard disk FAT (File Allocation Table) can be destroyed. By doing this, DOS will not be able to find the file in the corner at the specified address. (6) Some viruses infect the boot sector of the hard disk. There is no other way but to format the infected hard disk. Many valuable files / data are lost as a result of formatting. (9) Some viruses destroy the read / write power of the CPU. (10) Increases Bad Sector on Hard Disk . (11) In any case , distorting the information on the web page of the company can cause huge damage by destroying the image in addition to failing the business purpose. (12) Creates folders with different names on disk. Double-clicking on these folders without realizing it can ruin the computer system. (13) Connect the pen drive to the corner of the computer. creates the ini file