vRanger 5.2 wont open after failed upgrade (4046560)

When trying to open vRanger it won't open after canceled/failed upgrade.

Error: "An internal error occurred during execution,... Error Message: Failed to load module from assembly"

(See Error attached)

When you try to run upgrade again it displays following message:

"vRanger Backup & Replication Version 5.2.X is installed on your system."

Please uninstall vRanger 5.2 and leave the SQL Database intact on the server.

Download and install the full version of vRanger 5.2 and attach to previously used database.