Since maverick download my inbuilt track pad (macbook pro) is hit and miss with scrolling up and down (this is safari, chrome and FF)

Question

Since maverick (os X 10.9.1) has been installed my track pad on my mac book pro (late 2011) is hit and miss, reset it worked for a bit then seems to die. Doesn't matter what application I am using. This is on all internet browsers as well FF, Safari and chrome.
I took it to the apple store and they couldnt find anything wrong with it (as ive had other issues with it such as a kernal panic and optical drive spitting out dvds and not burning cds properly)
Its only scrolling it seems to have an issue with. All the othe gestures are fine ive even tried switching all the gesture off and on again, restarting the mac but the same problem persits a while later. It can be working for 10minutes or 8 hours and then boom no longer works.

Answer 1

Remove Growl, DiVXHTML and other DIVX software (use MPEG4Streamclip or Smartconverter or Wondershare Videoconverter for videos you need to convert for your own use, and not for giving to others unless you own the copyright for it).  Update your Adobe Flash from http://www.adobe.com/
Shut down  Parallels except when you need to use.  Disable Citrix and your File Sharing for VPN or remote access for Citrix except for when you use remote access.  Find out how to remove Peerguardian.  The Mac has its own firewall which blocks all except ping attacks through Apple menu -> System Preferences -> File Sharing.  Use a hardware router to block ping attacks.  Parallels has its own built-in networking firewall for Parallels itself.
This tip may uncover other slowdowns: https://discussions.apple.com/docs/DOC-6921