Views:
Behavior:
When running the Desktop Apps silent installation, we receive the following error message;
 
"Invalid Class"

Solution:
This error can occur due to an issue with Microsoft WMI. To correct any issues Microsoft WMI may have, please do the following;
  1. Open Command Prompt as Administrator.
  2. Enter the command, 
    winmgmt /resetrepository
Once done, please reattempt the installation.

KBA is applicable for both Cloud and On-premise Organizations.
This article is valid for DocuWare versions: 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 | Desktop Apps Silent install