Forceware is just the current "name" for their drivers. It used to be called "Detonator".
Latest drivers may help improve performance as the driver writers
optimize their code. It also fixes bugs or incompatibilities with
certain games and whatnot. If you have problems, you're always told to
"update to latest drivers". That's why.
Is that third party stuff? Then get rid of it. The whole thing is the virus. But if its in their, run VIPRE or KASPERSKY or BITDEFENDER and have it scan, when its done and has found it have them quarantine
and delete it, you cannot singlehandedly delete a virus without
repercussions.
You can also use MALWARE BYTES, it is good against Malware, but I suggest the three on top, they are well known for detecting the most viruses.
you absolutely need those drivers for your graphics card to function well. You can either get them when you purchase your
graphics card that comes with a CD. Or you can download it on the
internet with the corresponding brand of your graphics card.