Hi @cynthilizy, please can you send your PC Spec including CPU and the Tracker Log to support@ultraleap.com and I can help you to diagnose this and resolve the issue ![:slight_smile: :slight_smile:](https://d3nzdlkr4ia7ex.cloudfront.net/images/emoji/emoji_one/slight_smile.png?v=3)
The tracker log can be found here: C:\ProgramData\Ultraleap\HandTracker\Logs\tracker_log