Error deploying unattended setup

I get the following error when deploying via ZA_Bulk_Deployment_Manager:

Could not load file or assembly 'Newtonsoft.Json, Version=6.0.0.0, Culture=neutral,

This is happening on multiple systems with fresh Windows 10 Pro install with latest updates.

The installer asks to install .net3.5, after successful .net install, the zoho installer just quits silently, and attempting to run it again (even after reboot) results in the error.

I tried to attached a screenshot of the error, but evidently this site isn't working either (someone please help me and restore my faith in zoho)...

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Release Notes: Version 1.91, February 2015
Unattended Access (Beta) is live! Unattended Access, a feature requested by a lot of our customers is live now. Currently, it's in beta. You can add up to 100 computers per Technician subscription. They can also be accessed by your organization members. My Computers list in Zoho Assist home page will always display the online status of your unattended computers. You can rename the computers whenever you wish. Currently, Unattended Access can be configured only for Windows computers. Nevertheless,