Failed upgrade from 11106 to 11108

Failed upgrade from 11106 to 11108

Hello, the upgrade failed, 11106 to 11108 and or desk is down. I followed the directions and service desk service is stopped and I started the restore from a backup I took just before we started to upgrade. It's taking a very long time. Our backup has 18 parts. Would it be better to just delete the application, download the version we had 11106, apply our license and then restore? 

I'm not sure which is the new install file...see attached file...I think its the one from the red arrow. I have a support ticket in and need help. I'm not technical, the last person to do all of this has moved on. We are onPrem and will move to the cloud in August. Database is: PGSQL

Does the restore process cycle through all of the backup files by itself or do I need to pick them one by one as they install?

Hoping tech support calls soon. I didn't realize this created another ticket.

Jerry 

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