Key Strokes Missing - Virus, Spyware or Hardware Problem?

If I just type normally, at my usual speed this is what my computer does. It misses capital letterss, some letters in a word, punctuation and spaces between words even thougt I am clearly hitting each key.

I usually can't even type this much without more errors. I then have to go back and add letters and spaces where they were suposed to be. These are not spelling errors.

I tried changing out kebords, thinking my old one was just old, but this one isdoing the same thing.

Could this be done by spyware that records key strokes? Or do you think its a hardware problem? Driver problem? Other?

Thanks in avance.