Problems slow computer or laptop at work is often detrimental to users. Many jobs are not finished because the performance of computers and laptops are very slow. There are some things that cause your computer to run slowly.
In some infections, spyware is not even evident as the bad guy so it can get away with its crime. It is best then to have a ready blocker to at least do something for preventing any infection to occur in the first place.
That is a general look into what caused Skype to shut down. While the original problem has been fixed and Skype is now available for all people to use again, the Skype Company will be looking to take care of the problem so that this will not happen again. However, with the continuously growing popularity of Skype and the increased activity that is used in Skype, there is always the chance that something new may happen, unless Skype can upgrade their system to handle so much traffic.