check for viruses, make sure nothing else is using your internet while gaming, don't download things while gaming, also what kind fo internet do you have?
how do i check my viruses???i have 2 download on paused my interne att wireless the latency just start to happen not to long i say about 4 day ago never had a problem with it into now
Check with your ISP and make sure speeds are coming to you correctly.
Run scans with TDSSKiller, Malwarebytes and Super antispyware. Also suggest running a defrag like Auslogics and a Cleaner like CCleaner. Hope all that helps out.