The boss said computer this time our company is not very good, let me go and have a look what is the original, after I check after the computer found is because we use anti-virus software is too old, so will cause such a situation, I give the boss said about the reason, he said that let me have a look best antivirus for PC after listening to, as long as there is a help to the computer, to computer a, I said OK, two days before the house I give the computer installed best antivirus for PC, now use up very good, then I give the company also took the best antivirus for PC to install it, no just do not know what effect how, I just want to or first install a try, very good result after installation.