There can be some cases when Spotter freeze if machine has two GPU’s (Integrated and External).
Fix this issue you need assign external GPU to Spotter application.
Example from Nvidia Control Panel
Go to Manage 3D Settings
Open Program Settings
Select from list wanted program, if you can’t find Spotter from here, please use Add button to add this to list.
Then select preferred GPU to Nvidia GPU.
Now you are done and Spotter works normally.