Likewise but mine occurs occasionally (or it just freezes) when switching channels within Mediafly. Likewise with Pod TV. Others like Netflix and Pandora seem OK.
PS. Today it is unable to retrieve Mediafly as others have said so something else is going on now, not just the more common freezing when switching between channels within Mediafly.
Roku 3(2015); Roku 2XS; Roku HD; ATT DSL; Netgear Wireless Gateway; Ethernet; LG 32" HDTV; HDMI; 1080p