We provide Critical trouble shooting support in Dhaka and other parts Bangladesh. Some times you will be in very critical situation when your pc is totally controlled by  virus and you can not format your pc as it is having some essential software and you dont have backup of this essential software. But you must get back your PC to normalcy. Or you network have failed, Can not print or connect to other computer in the network. Just call us in any of this situation. We will fix it up for you.