Any pop up window from the console, usually under agent settings or Patch and compliance, will not open. The button will be clicked and nothing else happens.
Please run the following command on the core server database. Be sure that you are taking the proper backups and snapshots prior to making any database modifications.
begin tran delete from KEYVALUE WHERE APPLICATIONNAME = 'SWDTaskSettings' AND KEYNAME = 'DefaultTaskOptions' commit
Once this is done running, relaunch the console and test creating a task.