To fix this issue:
- Windows - disable Controlled Folder Access
- Select Start > Settings > Update & Security > Windows Security > Virus & threat protection.
- Under Virus & threat protection settings, select Manage settings.
- Under Controlled folder access, select Manage Controlled folder access.
- Switch the Controlled folder access setting to On or Off.
- Mac
- Download and reinstall Examplify:
https://wiki.nus.edu.sg/display/DA/Download+and+Install+Examplify
- Download and reinstall Examplify: