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av
About this tag
The av tag on WindowsForum.com covers discussions about audio and video issues in Windows environments, particularly those triggered by system updates. Recent content focuses on a confirmed regression from the August 2025 cumulative updates that causes severe stuttering, lag, and choppy audio/video in NDI-based streaming workflows on Windows 11 and Windows 10. The problem is linked to NDI's default RUDP transport, with temporary workarounds including switching to Single TCP or UDP (Legacy) while Microsoft investigates. This tag is relevant for users experiencing AV problems after Windows updates and seeking troubleshooting guidance.
Microsoft has confirmed that its August 12, 2025 cumulative updates introduced a serious regression that causes severe stuttering, lag, and choppy audio/video in NDI‑based streaming workflows on affected Windows 11 and Windows 10 builds — a defect tied to NDI’s default RUDP (Reliable UDP)...
avav production
broadcast
broadcasters
extended security updates
it administration
kb5063709
kb5063878
known issue rollback
ndi
ndi access manager
ndi tools
network transport
obs
out-of-band update
patch
release health
rudp
screen capture
security updates
single tcp
streaming
streaming stutter
udp
video latency
vmix
windows 10
windows 11
windows release health