Thats weird.. well the usual antivirus check(norton kapersky,MS essentials).. if you dont have a firewall I highly recommend you install one- try Ccleaner as well to remove all those temp files etc. Try changing your browser- safari/chrome/opera. Do any of the other computers on your network have the same issues? If your on wifi, I suggest you try ethernet or vice versa.
Hopefully these basic checks will help isolate the problem.
Doubt is not a pleasant condition, but certainty is absurd.
owner of : atari 2600, commodore 64, NES,gameboy,atari lynx, genesis, saturn,neogeo,DC,PS2,GC,X360, Wii
5 THINGS I'd like to see before i knock out:
a. a AAA 3D sonic title
b. a nintendo developed game that has a "M rating"
c. redesgined PS controller
d. SEGA back in the console business
e. M$ out of the OS business
