Hello. Something you could look at. Go to Settings >> Servers >> Memory Usage.
If any of your remote servers display a status of "Secure Link Broken", then perform the following:
1. RDP to the affected server.
2. Go to C:\Program Files (x86)\SmarterTools\SmarterStats\Service\
3. Right click on the "ResetSecureLink.bat" file, and select "Run as Administrator"
4. Perform this same operation on the primary SmarterStats server
5. Restart both SmarterStats services
Technical Support Specialist