install qt lite 4.0.0
il faut peut-etre restreindre à 1 core à partir du task manager
ou
1. Under Libraries Right click Riven
2. Select Properties
3. Set Launch options
4. Type /affinity 1 (Affinity 1 is core 0 Affinity 2 is core 1 You can choose which ever one you want)
5. Select Ok