What to do: click multiple times "Show hidden and system files and folders" at the main windows
Expected result: no GUI change except panel contents
Real Result: panel with drop-down list of common disks and destinations, free space and panel management icons shrinks vertically pixel by pixel every time you click until it reaches text font height.
MC: ver 10.2.0.2745 Portable
Possible cause: Rounding error of internal calculations?
