Forum Discussion

Copper Contributor

Oct 14, 2019

Unable to update/uninstall/upgrade WAC 1809

I have WAC 1809 (V1.1.28771.0) installed on Server 2019. It is not possible to uninstall/upgrade to a new WAC version. I always get the error message: 1: Ausnahmefehler: System. NullReference...

Jeff Woolslayer

Former Employee

Oct 14, 2019

altanis IT will help to know how are you initiating this. Do you also get the error when uninstalling from the App & Features settings? What happens when you trying to install the current GA (1904.1) or Preview (1909)?