If Advanced Email Monitoring is in visible mode you have to click on
Uninstall shortcut within Windows Start menu:
Start > Programs > Advanced Email Monitoring > Uninstall
or find Advanced Email Monitoring uninstall record within Add/Remove Programs menu of Windows Control Panel:
Start > Settings > Control Panel > Add/Remove Programs > Advanced Email Monitoring (uninstall only)
If Advanced Email Monitoring is in the stealth mode you can uninstall program via Control Center menu ONLY. At first you have to press program hotkey to start Advanced Email Monitoring Control Center (default hotkey is Ctrl + Alt + Shift + E).

Then click on Program menu and choose Uninstall to uninstall program.
You will need to reboot computer at the end to finish uninstall process.