Symptoms
Visual Studio K2 Process Deployment Validation Warnings
Diagnoses
When adding a new K2 Process and select to update it's design templates then proceed to deploy the K2 Process the Process deploys and functions as expected
However, Visual Studio produces a list of validating warning messages (detailed in the attached text document)
Resolution
There are some artifacts that have been deprecated in dotNET4.5.
Change dotNET version of his process to 4.0 and try to build it again.