Can you test your configuration file and start Topbeat manually to see if any errors are returned.
# Test the configuration file.
PS C:\Program Files\Topbeat> .\topbeat.exe -c topbeat.yml -configtest
# Start Topbeat in the foreground and see if there are any errors.
PS C:\Program Files\Topbeat> .\topbeat.exe -c topbeat.yml -e -v -d "*"