If you find that you're having technical difficulties with your game inside of Ubisoft Connect for PC, one troubleshooting step you can perform is the verification of your game's files. Verifying game files may help to resolve installation corruptions that have occurred. 
 
To verify your game's files: 

1. Open the Ubisoft Connect for PC application and click on Games. 
2. Hover over the game tile, and this will cause an arrow to appear on the tile. 
3. Click the arrow that appears to expand the drop-down menu, then select Verify files. 
4. If prompted, select Repair. Ubisoft Connect will then restore any missing or corrupted files.