SYMPTOM:
When installing Strategy 9.x or 10.x, the installation hangs at "Installing Microsoft Web Services Enhancements (WSE) 3.0".
This Knowledge Base article describes a different issue from the one outlined in the KB below:
KB32369: Strategy 9.x and 10.x installation hangs at 'Installing Microsoft Web Services Enhancements (WSE) 3.0'
In this case the Strategy installer shows the same message during the “hang”:
Installing Microsoft Web Services Enhancements (WSE) 3.0

However, logged in the installation log file (install.log) could be found the last step that was executed by the installer:
DHTML Editing Control Trying to launch the DHTML Editing Control install