1) Ensure you have the latest version of XSight installed - Download
2) Close out of XSight and make sure no instances are running.
3) For Windows 8 / 10 Users:
Navigate to C:\Users\"Username"\AppData\Local\RecordexUSA\XSight HD Viewer
and delete the "config2.ini file.
To do this: Open "File Explorer", click the address bar, and paste "C:\Users\USERNAME\AppData\Local\RecordexUSA\XSight HD Viewer"
(Note you must remove quotation marks and change "USERNAME" to your username for your computer).
It will look like this:
Locate the "config2.ini file, right-click it and select delete.
For Windows 7 Users:
The config.ini files are stored under the user's Documents folder under "XSightHD" folder.
Delete "config.ini" and "config2.ini" (if present).
4) After deleting any/all config files, make sure the camera is connected, reopen XSight, and select the Recordex camera.
This will solve many issues with XSight randomly crashing or behaving oddly.