Q: My macbook pro 15 " Retina's touchpad is giving problems., My macbook pro 15 " Retina's touchpad is giving problems.

You have some type of hardware problem. You should take the system into an Apple store to be looked at and fixed.

Occasionally a very thorough cleaning of the trackpad will restore functionality.  Also see if relief can be found in this support article:

http://support.apple.com/kb/TS1449

Ciao.