Hi – getting grief trying to refresh podcasts using the house Mac Mini – codes 3150, 3256 & most commonly 3259. Used a few ‘fixes’ based on online advice, but couldn’t refresh any podcasts last night, so pretty peeved. Podcasts have taken a long time of late to download but haven’t failed completely previously. The super duper Yosemite has also failed more than once to download. No other obvious home WiFi / IT issues. Best way forward type advice please – much thanks.