Nikon Coolpix 5000 Digital Camera "outdoor weather cover" Questions

...shots or anything apart from macro,the images are all blurry!!this happens inside and outdoors,whatever the weather conditions.I know theres enough light,even added the flash to bright ...

...weather while carrying it, keep it under your shirt close to your body to keep it warm, dont change lenses in the cold air, and if you are photographing an outdoor sporting event and its cold enough ...