InfoPath Managed Form Templates – upload status stuck or remains forever in ‘installing’ or ‘deleting’ state

The standard approach to upload any managed form template is to go to central admin and select ‘Manage form templates’ and upload the form template. The process isn’t complete, the ’status’ column should show as ‘Ready’, only then we can activate it to a site collection. Once we upload the status shows as ‘Installing’ and [...]