"Exit Spybot-S&D Resident" via the tray context menu will close the Teatimer, it will automatically restart on the next reboot.
You can also close and start the TeaTimer within the Spybot S&D main application:
- start Spybot S&D
- switch to advanced mode
- navigate to "Tools" , then "Resident"
- uncheck the check box for Resident TeaTimer to close TeaTimer
- wait a bit so TeaTimer can unload completely, for instance wait 1min
- check the check box for Resident TeaTimer again to restart the TeaTimer