Maintanence of The Application

We modify of a software product after delivery to correct faults, to improve performance or other attributes. software maintenance is done as per the terms and conditions specified at the time of development.

Software maintenance is a very broad activity that includes error correction, enhancements of capabilities, deletion of obsolete capabilities, and optimization. Because change is inevitable, mechanisms must be developed for evaluation, controlling and making modifications.

Computer viruses are one of the most common problems computer repair services are called upon to fix. In 2010, Happy Hamster Computers removed more than 60,000 viruses from more than 3,000 computers.

It can cost hundreds of dollars to fix an infected computer, and in some instances, computer repair is futile if the data gets destroyed and the hardware fried. The following is a look at some of the most expensive computer viruses to date.

10. Sasser: Appearing in 2004, Sasser affected the British Coast Guard’s mapping system, canceled several flights and caused up to $500 million in damages. The creator was a German teenager.