You can’t connect to the file share because it’s not secure..?

If you share a file from NAS or from  any linux distribution this type of problem you may fashed.
It't not a big issue. Please follow the steps to resolve this issue.

1. Type appwiz.cpl into the Run dialog box and Click Ok. After that click on Turn Windows Feature on or off tab in the left plane as in screenshot below.
   
   
   
2. Check on SMB file share Support as shown in following screenshot. After that restart your computer and try to access a file share. It must work