OK so for you Touch Pro 2 users out there, how ever many faithful followers there may still be running stock! Now that is key STOCK Rom… It appears that HTC has issued a small update to the People Application. It is supposed to add stability to the Application itself. While this is a small update it should be noted that you can grab it here.
This update is for the People application on devices with ROM versions between 2.00.xxx.x and 2.10.xxx.x. Details are not shared, but you should expect a smooth, bug-free experience.
Then connect and synchronize the phone with your PC via Microsoft ActiveSync or Windows Mobile Device Center using the USB cable and copy the downloaded file to the Touch Pro2. Start the file on your phone and follow the on-screen instructions.
Source: intomobile.com