After updating Open Automation Software with the incremental update the project no longer compiles or the application no longer works.

Make sure to Unblock the dlls before copying to C:Program Files (x86)Open Automation SoftwareOPC Systems.NET. To Unblock the files copy to a trusted location for your system, Desktop works well, then right click on the file and select Properties to select Unblock. Then copy from your Desktop to C:Program Files (x86)Open Automation SoftwareOPC Systems.NET.