@Neil-Sinar
I had similar problem on Windows 8.1. Simple reinstall of Suuntolink wasn’t enough… You might need to uninstall your watch from Device manager and check for any possible problems there… Basically follow these steps:
Disconnect the watch.
In your PC go to Control panels - System - Device manager. Try to search for any problems there (marked with yellow triangle with “!”), especially in Ports (COM & LPT). If there’s Unknown device somewhere with such a symbol: right mouse click - Uninstall.
If there was no problem, connect your watch, try to find it in the Device manager (under Ports probably) and Uninstall it.
Disconnect watch. Uninstall Suuntolink.
Restart computer. You might again try to check Device manager, there should not be any problem there nor anything named Suunto…
Reinstall Suuntolink.
Connect the watch and pray
This should completely reinstall the Suunto watch driver (which sometimes isn’t done during simple reinstall of Suuntolink) and deal with all the problems…