# Nvidia Driver 621.01 Causes Video Playback Bugs

October 24, 2026 at 11:23 AM

> Nvidia investigates reports of freezes and black screens on RTX 5080 and 4090 cards following the latest Game Ready Driver update.

**Nvidia** released the **GeForce Game Ready Driver 621.01 WHQL** in October 2026, introducing support for **Microsoft**'s Advanced Shader Delivery. However, users of **RTX 5080** and **RTX 4090** cards report significant bugs, including media player freezes and black screens.

Affected users note video playback freezing in Chrome, Edge, and VLC, alongside black screens lasting several seconds. System logs reveal Event ID 153 for the nvlddmkm driver and Windows LiveKernelEvent errors 141 and 117 following the driver installation.

Nvidia has confirmed these bugs and initiated an investigation, requesting diagnostic data from users. While the company works on a fix, reports indicate that reverting to GeForce driver 617.42 successfully resolves the ongoing video playback stability issues.


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