Thanks for your report. Can you test if have the same problem with 5.14(.0)?
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
Two times after installing WINSCP beta 5.14.2 I had my windows 10 user gui not come up until I clicked on it several times and when it finally came up, the taskbar toolbars did not expand on click to show the icons.