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 programs.
This comes after widespread reviews from customers experiencing a variety of efficiency issues when utilizing numerous 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 mentioned in a brand new Home windows launch well being replace.
“The difficulty 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 underneath low bandwidth situations.”
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 gadgets, respectively.
The NDI crew has additionally confirmed this problem, stating that the buggy Home windows updates trigger NDI visitors to drop unexpectedly after deployment, with efficiency issues occurring “solely with RUDP connections, whereas visitors despatched or obtained utilizing UDP or Single-TCP stays unaffected.”
NDI additionally supplied impacted clients with a short lived workaround whereas Microsoft is investigating the bug inflicting this identified problem, which requires them to vary the NDI Obtain Mode to make use of TCP or UDP as an alternative of RUDP.
To do 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 brought on by the KB5063878 and KB5063709 safety updates.
Simply days after releasing the August cumulative updates, the corporate mounted a identified problem that prompted 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 identified problem 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 clients to share extra data on failure and knowledge corruption points affecting solid-state drives (SSDs) and exhausting disk drives (HDDs) on Home windows 11 24H2 programs after putting in this month’s safety updates.
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