I cant do diddly squat on my puter and it's driving me MAD do we have a tearing hair out avatar?

I am typing away and sometimes my computer stops, so i look back and half the text is missing ...... then when it starts flashing (the cursor) i can tpe again ...... See? just did it with type tis NOT me missing letters out.

The B on my keyboard gets stuck, but that's it lol ......

so, if anyone has a pm from me and it makes no sense whatsoer (did it again) sorry, i just forgot to check ............

PLEASE, CAN ANYONE HELP ME WITH THIS? I have defragmented it, it's up to date with virus protection and all the rest etc .....
it's driving me NUTS

i cant get into chat either sometimes and i uploaded the new java and everything ..... it's not just on this site that it is happening ..... any advice would stop my ir from (hair) see, did it again grrrrrr ..... from falling out

i left the text as it was in this post to prove to you and me that it's not in my hd ha again .........(head) that was supposed to e (be)

i feel like throwing it through the window ....... but that would be costly.

frustrated, Jin