Flashing programs

I have problem with flashing programs, for example, while mozzila is runnig and i click somewhere on window it starts flashing, sometimes it flashs only on taskbar, i realy have problem with this.

Update your graphics drivers

i did, but still not solving problem

Run a scan of Malwarebytes
Malwarebytes

no, still flashing, found 6 malwares but it's still not fixed

i can see from task manager the svhost is using much of processor, if that can help

Screenshot of flashing and taskbar please

well i can't make screenshot, it seem like it's restarting over and over again, for example, taskbar program goes to the right of the row like i opened it last of all. and for flashing screen it's the same, just like it crashes and opens in millisecond but i can see it, and sometimes it is continual and it stops working for 5 seconds and starts again, it doesn't lose information, it continues normally , but it is flashing

any suggestion more? please?

ok i'm installing windows 7 again