Hello.
Not sure what was the problem, but here's how I fixed it, just in case someone else has this problem:
- installed java 32
- reinstalled previous Stats101 version (1.4.8). That seems to have cleaned something somwhere.
- un-installed Stats101 via Ctrl Panel
- un-installed all java 32/64
- rebooted
- installed java 64
- installed new Stats101 1.4.9
Voila!
(thread closed)