- Uninstall ConCrete using the Control Panel
- Go to the folder: C:\Users\*YourUserName*\AppData\Local\VirtualStore\Program Files (x86)\BuildSoft\ConCrete
Delete left over content.
- Install ConCrete again.
- Start ConCrete.
If a pop-up shows up, asking you to install Aladdin, accept it.
He should ask you the language and continue the start-up.