SYMPTOM:
When using Internet Explorer 11 and trying to add content to a panel stack in a multi-layout document in Strategy Web 9.4.1, the "Add Content" drop down displays blank.

STEPS TO REPRODUCE:
CAUSE:
This is a known issue in Strategy Web 9.4.1, and is specific to Internet Explorer 11.
ACTION:
This issue has been fixed in 9.4.1 Hotfix 5 Patch 2. Please contact Strategy Technical support for further details.
WORKAROUND:
There are two workarounds for this issue: