NVIDIA GeForce Hotfix Driver Version 551.68 Addresses NVENC Video Encoding Issues with GeForce GTX 16 Series GPUs

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NVIDIA has released a new hotfix driver for GeForce GTX 16 Series users who are experiencing error messages, or worse, corrupted videos, when using NVENC to encode their videos. This issue only affects select GeForce GTX 16 Series graphics cards, according to the patch notes that can be found on NVIDIA’s official support page.

Fixed issues:

  • Using NVENC to encode videos may result in corrupted videos or error message on GeForce GTX 1630/GeForce GTX 1650/GeForce GTX 1650 Ti GPUs [4511046]

Hotfix is based on the recent Game Ready Driver 551.61, the highlights of which can be found below:

New support:

  • Nightingale (DLSS 3)
  • NVIDIA App Beta

Fixed Gaming Bugs

  • Tom Clancy’s Rainbow Six Siege: Stability issues when running Vulkan API [4460050]

Fixed General Bugs

  • RTX Video HDR: Tone mapping not working properly with custom HDR brightness values in Windows [4472972]
  • Chrome/Edge Browsers: Poor black level quality in SDR video playback with Windows HDR setting enabled [4492243]
  • NVIDIA Freestyle: Filter settings are not saved after quitting game [4472656]
  • Adobe Substance 3D: Stager unable to initialize the viewport [4403960]
  • Adobe Substance 3D: Vulkan version of Substance Painter cannot be launched [4425856]

Optimal Settings For New Games

  • Granblue Fantasy: Relink
  • Nightingale
  • Pacific Drive
  • Skull and Bones

NVIDIA notes:

…these Hotfix drivers are beta, optional and provided as-is. They are run through a much abbreviated QA process. The sole reason they exist is to get fixes out to you more quickly. The safest option is to wait for the next WHQL certified driver.


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Tsing Mui
News poster at The FPS Review.

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