Basics recognize your computer infected with a virus

Are we suddenly realize our PC infected with a virus.
sometimes we think our PC just fine;
It works so fast and not slow, well it's not necessarily pren

below some information that might be useful:

    1. Press Ctrl + Alt + Del at the same time .. this is the command to open the task manager, if this command is the way the computer you are safe coy, but if g kompie would mean you probably got a virus. because the nature of the virus is to disable the task manager.
    2. Click start n select "run" type in "msconfig" (without quotation marks) if you are safe kompie kebuka then, but if g is likely a virus, because the nature of the virus to disable msconfig jg.
    3. Find the folder options n click and then click "view" n check "show hidden files and folders" if the check was returned to the hidden files n folders then it is likely a virus.

actually to detect the virus by the 1 and 2 already wrote enough, and many other ways to find out who we really PC clean of viruses.

if your pc has not installed an anti virus please get it for free here or here