SYMPTOM
It is not possible to activate the Strategy product suite via Strategy License Manager in Strategy Analytics Enterprise 9.5.1.
STEPS TO REPRODUCE
This is a Windows specific issue:

WORKAROUND
The product can be activated by doing the following:
1) Start a DOS CMD Line window as Administrator (right-click on Command Prompt

2) Navigate to the License Manager JAR file (by default found in C:\Program Files (x86)\Common Files\Strategy) and run it as follows:
java -jar MALicMgr.jar –console
MALicMgr.exe -console