Reply To: FactoryTalk View Studio: Error Opening Project – Cannot Connect to Addin

AdminFred Graham
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  • Replies: 166
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Hi Ron and welcome to the forum! This issue is referenced in Rockwell Technote 772315 however you will need a TechConnect contract to access. Here are some things you can try:

Solution 1

Perform a repair on FactoryTalk Services Platform:

Go to Control Panel –> Programs and Features
Find FactoryTalk Services Platform , click Change and then click Next
Select option Repair and click Next
Install FactoryTalk Services Platform
Reboot the computer

Solution 2

Disable UAC (User Account Control) in Windows 10:

Right click on the Start button or just press Win+X hotkeys on the keyboard and click Control Panel
Go to the following path: User Accounts–>User Accounts
Click on Change User Account Control Settings
Move the slider to the bottom Never Notify
Click OK. This will disable UAC.


Right click on the Start button to open the Start menu
Type uac in Search Windows box.
Launch the User Account Control Settings dialog box.

If the above solutions don’t work then FactoryTalk Services Platform needs to be removed completely and reinstalled.

Let us know how you make out!