Haris Mahmood said:
Ok I have cleans the thermal paste , should I apply it again? http://gyazo.com/b0373806827b7f34bae21fecb3149a5c
Sure, if you want. It'll work, it just won't work very well.
You really should clean that off with a proper solvent such as isopropyl alcohol or non-lubricating electronic contact cleaner.