Installing AppFabric on Windows Server 2012 | Musings on Education and Technology
windows server AppFabric installation error - SharePoint Stack Exchange
Installation Error This product requires Windows Server AppFabric.
Solved] windows server appfabric download error SharePoint 2016/2013 - SPGuides
SharePoint 2016: appfabric error on windows server 2012 data center R2 - SharePoint Stack Exchange
Anil Avula's SharePoint Blog[MVP,MCP,MCSE,MCSA,MCTS,MCITP,MCSM]: Windows Server AppFabric is not correctly configured. You Should uninstall Windows server AppFabric and reinstall it using the SharePoint Products Preparation tool.