Can you please be a bit more specific what exactly the problems are?
Exact version of LR CC (Help .. Info)?
Type of camera?
Sorry about the import trouble.
Which version of Lightroom are you using? If you're using Lightroom CC 2015.2.1, I'd recommend rolling back to CC 2015.1.1 Roll back to a prior update version
Mac or Windows ,which OS version?
Let us know if this helps