If I close the apps that I need to use with the camera I won´t be able to do my job.
I have reinstalled the Lastest Windows May 2020 update (Microsoft Windows [Versión 10.0.19041.508])
The Low Light Compensation feature is unchecked by default.
I don´t have the 800*600 capture resolution in the list, it shows me just:
640*360 (it works fine but with very low video quality)
640*480 (it works fine but with low video quality)
1280*720((it works with good video quality, but with 1 to 1.3 secs of video & audio lag)
1920*1080 (it works with the best video quality, but a nightmare of video & audio lag)
As you can imagine, even I have bought the official latest version of Youcam it doesn´t work as well I supposed it should be.
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Have you tried
- closing all background apps
- check if windows is not downloading any updates
- uninstalling, restarting windows, reinstalling
- unchecking Low Light Compensation (video enhancements > advanced > camera control)?
Does it also lag when working in 800*600?