NVENC Error: get_encoded_packet: nv.nvEncLockBitstream(s, &lock) failed: 8 (NV_ENC_ERR_INVALID_PARAM)

[mattsxp]

I get this error if I alt-tab, but also randomly while recording in-game. Log is attached. Any help is appreciated.

 

[PaiSand]

Analyzer | OBS

OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, YouTube and many other providers or record your own videos with high quality H264 / AAC encoding.

obsproject.com

You're using an insiders version of Windows which may introduce bugs. Please use a non insiders build.
The encoder error most probably is caused by this. Many people reported several issues with win11 and fixed it just going back to win10.

Please install the video driver directly from nvidia or using gforce esperience. Do not update this driver from Windows Update.
Most probably you need to perform a clean install:

Performing a clean GPU driver installation

If you're experiencing strange issues or errors that might be related to your GPU drivers, one of the easiest potential fixes is a clean driver installation. Follow the instructions below. 1. Download the latest version of Display Driver...

obsproject.com

 

[mattsxp]

Ok, thanks for the detailed reply.