VERIFIED SOLUTION i
Products affected: MapInfo Pro™
When using MapInfo Pro 15.0 (x86) when installed to a CITRIX environment, the Style Override dialog disappears after a couple of seconds.
This problem only appears to happen on older, unpatched instances of CITRIX.
ResolutionUPDATED: September 28, 2017
Upgrading/patching CITRIX to the latest version did resolve this issue for the client who reported it.