If you are using an IP camera viewer that runs inside a web browser (ActiveX or HTML5), the "fixed" client settings are often in HKEY_CURRENT_USER .
Executing intitle ip camera viewer intext setting client setting fixed (without quotes around entire phrase) yields pages such as: intitle ip camera viewer intext setting client setting fixed
Beyond just watching, if the "setting" page is accessible, a malicious actor could potentially change the camera's configuration, disable recording, or use the camera as a jumping-off point to attack other devices on the same local network. How to Secure Your IP Camera If you are using an IP camera viewer