Connect button greyed out

Connect button greyed out

Ive installed unattended access on 6 machines, but 1 of the machines says its online but the Connect button is greyed out. All the others are fine.
ive tried uninstalling and reinstalling the software, but same issue.
Nothing special about this machine, its a windows 7 machine like all the others.

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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,