Microsoft has confirmed that the August 2025 safety updates are inflicting extreme lag and stuttering points with NDI streaming software program on some Home windows 10 and Home windows 11 techniques.
This comes after widespread stories from customers experiencing a variety of efficiency issues when utilizing varied streaming apps, together with OBS (Open Broadcast Software program),
“Extreme stuttering, lag, and uneven audio/video may happen when utilizing NDI (Community Machine Interface) for streaming or transferring audio/video feeds between PCs after putting in the August 2025 Home windows safety replace,” the corporate stated in a brand new Home windows launch well being replace.
“The problem impacts streaming apps, together with OBS (Open Broadcast Software program) and NDI Instruments, particularly when ‘Show Seize’ is enabled on the supply PC. The issue persists even beneath low bandwidth circumstances.”
These streaming points are triggered after putting in the KB5063878 and KB5063709 safety updates on Home windows 11 24H2 customers and Home windows 10 21H2/22H2 units, respectively.
The NDI crew has additionally confirmed this concern, stating that the buggy Home windows updates trigger NDI site visitors to drop unexpectedly after deployment, with efficiency issues occurring “solely with RUDP connections, whereas site visitors despatched or acquired utilizing UDP or Single-TCP stays unaffected.”
NDI additionally offered impacted prospects with a short lived workaround whereas Microsoft is investigating the bug inflicting this recognized concern, which requires them to alter the NDI Obtain Mode to make use of TCP or UDP as an alternative of RUDP.
To try this, you’ll have to undergo the next steps:
- Obtain and set up the free NDI Instruments pack.
- Launch the NDI Entry Supervisor app.
- Go to the Superior tab and alter Obtain Mode to Single TCP or UDP, then press OK.
- Repeat on every other affected computer systems.
After this month’s Patch Tuesday, Microsoft has acknowledged different points attributable to the KB5063878 and KB5063709 safety updates.
Simply days after releasing the August cumulative updates, the corporate mounted a recognized concern that induced the safety updates delivered by way of Home windows Server Replace Companies (WSUS) to fail with 0x80240069 errors after putting in the KB5063878 replace.
One week later, it launched emergency Home windows updates to resolve one other recognized concern that broke Home windows reset and restoration operations after putting in the KB5063875 (Home windows 11), KB5063709 (Home windows 10), and KB5063877 (Home windows 10 Enterprise) updates.
Microsoft has additionally requested prospects to share extra data on failure and knowledge corruption points affecting solid-state drives (SSDs) and arduous disk drives (HDDs) on Home windows 11 24H2 techniques after putting in this month’s safety updates.
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