When I open a jpeg through Elements or Organizer 10 my Quick Edit, Guided Edit and Create options are now blank. There is a toolbar on the left but the edit options are not there. Also, I can't open nef's (Nikon) any longer. I get an error message Cannot open <filename> because it is the wrong file type. At this time the nef's were also not recognized as associated with PS. I changed that in Default Programs for .nef's in Control panel but that didn't work..
Everything was working fine just a couple days ago.
Any ideas? Thanks
Please share the camera model. Every camera has its own format and there are camera raw plugins which depends on PSE version.
Please check the list of supported cameras : http://helpx.adobe.com/creative-suite/kb/camera-raw-plug-supported-cameras.html