Team viewer stopped working and prompting an error

I am using windows XP pro _SP2 and I have lot of other application software installed along with Avast antivirus ver6.0 and Team viewer ver. 6.0 on my computer, few days earlier I uninstalled Avast from Computer after uninstalling antivirus (AVAST) team viewer stopped working and prompting an error, I disabled windows firewall too but still facing error, any suggestions for removing shown error?
TeamViewer
An error occurred during the initialization of TeamViewer. Probably some security software blocks network communication on this computer.
Please permit network communications on this computer to use TeamViewer.
OK
