Windows recovery operations disrupted by August 2025 updates
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Microsoft released emergency out-of-band updates to fix a bug in the August 2025 Windows security updates that was causing recovery and reset operations to fail, as well as severe streaming issues with NDI software. The issue affected Windows 10 and older versions of Windows 11. The bug also caused Windows upgrades to fail with 0x8007007F errors on some Windows 11 and Windows Server systems. Additionally, the updates triggered unexpected UAC prompts and app installation issues for non-admin users. The affected updates included KB5063875, KB5063709, and KB5063877. The emergency fixes were released as KB5066189, KB5066188, KB5066187, KB5065426, and KB5065429. These updates are available via Windows Update and the Microsoft Update Catalog. Microsoft also resolved a bug that triggered Windows update failures when installed from a network share using the Windows Update Standalone Installer (WUSA). The September 2025 Windows security update reduces the scope for requiring UAC prompts for MSI repairs and enables IT admins to disable UAC prompts for specific apps by adding them to an allowlist.
Timeline
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10.09.2025 16:02 π° 1 articles Β· β± 6d ago
Microsoft releases KB5065426 and KB5065429 to fix NDI streaming issues
Microsoft released the KB5065426 and KB5065429 updates to resolve the severe lag and stuttering issues experienced with NDI streaming software on Windows 10 and Windows 11 systems. The updates also address unexpected UAC prompts and app installation problems for non-admin users.
Show sources
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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04.09.2025 14:57 π° 3 articles Β· β± 12d ago
August 2025 Windows updates trigger UAC prompts and app install issues
The September 2025 Patch Tuesday security updates also address unexpected UAC prompts and app installation problems for non-admin users. Microsoft fixed a known issue causing security updates delivered via Windows Server Update Services (WSUS) to fail with 0x80240069 errors after installing KB5063878.
Show sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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22.08.2025 15:25 π° 3 articles Β· β± 25d ago
August 2025 Windows updates cause severe NDI streaming issues
The September 2025 Patch Tuesday security updates address another known issue introduced by the August 2025 Windows security updates, which causes unexpected User Account Control (UAC) prompts and app installation problems for non-admin users. Microsoft released the KB5065426 and KB5065429 updates to resolve the NDI streaming issues.
Show sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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20.08.2025 11:21 π° 2 articles Β· β± 27d ago
Microsoft resolves Windows upgrade failures with 0x8007007F errors
The streaming issues are triggered after installing the KB5063878 and KB5063709 security updates on Windows 11 24H2 and Windows 10 21H2/22H2 devices, respectively. The NDI team confirmed the issue, stating that the buggy updates cause NDI traffic to drop unexpectedly, affecting RUDP connections.
Show sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
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20.08.2025 11:21 π° 2 articles Β· β± 27d ago
Microsoft releases Known Issue Rollback (KIR) fix for Windows update failures
Microsoft acknowledged other issues caused by the KB5063878 and KB5063709 security updates, including failures in WSUS updates and Windows reset and recovery operations.
Show sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
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20.08.2025 09:46 π° 3 articles Β· β± 27d ago
Microsoft releases emergency updates to fix Windows recovery issues
The issue also affected streaming apps, including OBS and NDI Tools, especially when 'Display Capture' is enabled. The problem persists even under low bandwidth conditions. Microsoft released the KB5065426 and KB5065429 updates to resolve the NDI streaming issues.
Show sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
Information Snippets
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The bug affects systems running Windows 10 and older versions of Windows 11.
First reported: 20.08.2025 09:46π° 1 source, 1 articleShow sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
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The affected updates include KB5063875, KB5063709, and KB5063877.
First reported: 20.08.2025 09:46π° 1 source, 2 articlesShow sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
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The emergency updates are KB5066189, KB5066188, and KB5066187.
First reported: 20.08.2025 09:46π° 1 source, 3 articlesShow sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
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The bug causes failures in 'Reset my PC' and 'Fix problems using Windows Update' tools.
First reported: 20.08.2025 09:46π° 1 source, 1 articleShow sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
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The issue also impacts RemoteWipe CSP for IT professionals.
First reported: 20.08.2025 09:46π° 1 source, 1 articleShow sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
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The emergency updates are available via Windows Update, Windows Update for Business, and the Microsoft Update Catalog.
First reported: 20.08.2025 09:46π° 1 source, 3 articlesShow sources
- Microsoft releases emergency updates to fix Windows recovery β www.bleepingcomputer.com β 20.08.2025 09:46
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The bug causes Windows upgrades to fail with 0x8007007F errors on some Windows 11 and Windows Server systems.
First reported: 20.08.2025 11:21π° 1 source, 2 articlesShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
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The issue impacts specific upgrade paths, including upgrades from Windows 10 1809, Windows 10 21H2, and Windows 10 22H2 to Windows 11, versions 23H2 and 22H2.
First reported: 20.08.2025 11:21π° 1 source, 2 articlesShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The issue impacts specific upgrade paths, including upgrades from Windows Server 2016 to Windows Server 2019 or Windows Server 2022.
First reported: 20.08.2025 11:21π° 1 source, 2 articlesShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The issue impacts specific upgrade paths, including upgrades from Windows Server 2019 to Windows Server 2022.
First reported: 20.08.2025 11:21π° 1 source, 2 articlesShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The bug was resolved as of August 15, 2025.
First reported: 20.08.2025 11:21π° 1 source, 1 articleShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
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The bug does not affect customers attempting to upgrade their devices to Windows 11 24H2 and Windows Server 2025.
First reported: 20.08.2025 11:21π° 1 source, 1 articleShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
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Microsoft released a Known Issue Rollback (KIR) fix for a bug that triggers Windows update failures when installed from a network share using the Windows Update Standalone Installer (WUSA).
First reported: 20.08.2025 11:21π° 1 source, 2 articlesShow sources
- Microsoft fixes Windows upgrades failing with 0x8007007F error β www.bleepingcomputer.com β 20.08.2025 11:21
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
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The August 2025 Windows security updates cause severe lag and stuttering issues with NDI streaming software on some Windows 10 and Windows 11 systems.
First reported: 22.08.2025 15:25π° 1 source, 3 articlesShow sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The streaming issues affect apps like OBS (Open Broadcast Software) and NDI Tools, especially when 'Display Capture' is enabled.
First reported: 22.08.2025 15:25π° 1 source, 3 articlesShow sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The problem occurs after installing the KB5063878 and KB5063709 security updates on Windows 11 24H2 and Windows 10 21H2/22H2 devices, respectively.
First reported: 22.08.2025 15:25π° 1 source, 2 articlesShow sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The NDI team confirmed the issue, stating that the buggy Windows updates cause NDI traffic to drop unexpectedly, affecting RUDP connections.
First reported: 22.08.2025 15:25π° 1 source, 3 articlesShow sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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A temporary workaround involves changing the NDI Receive Mode to use TCP or UDP instead of RUDP.
First reported: 22.08.2025 15:25π° 1 source, 2 articlesShow sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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Microsoft acknowledged other issues caused by the KB5063878 and KB5063709 security updates, including failures in WSUS updates and Windows reset and recovery operations.
First reported: 22.08.2025 15:25π° 1 source, 3 articlesShow sources
- Microsoft: August Windows updates cause severe streaming issues β www.bleepingcomputer.com β 22.08.2025 15:25
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The August 2025 Windows updates cause unexpected UAC prompts and app installation issues for non-admin users across all supported Windows versions.
First reported: 04.09.2025 14:57π° 1 source, 3 articlesShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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The issue is caused by a security patch addressing the CVE-2025-50173 Windows Installer privilege escalation vulnerability.
First reported: 04.09.2025 14:57π° 1 source, 2 articlesShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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The UAC prompts appear in scenarios such as running MSI repair commands, installing certain applications, and executing Windows Installer during Active Setup.
First reported: 04.09.2025 14:57π° 1 source, 2 articlesShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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The affected platforms include Windows 11 (versions 24H2, 23H2, 22H2), Windows 10 (versions 22H2, 21H2, 1809, and various LTSC versions), and multiple Windows Server versions.
First reported: 04.09.2025 14:57π° 1 source, 2 articlesShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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Microsoft is working on a fix to allow IT admins to enable specific apps to perform MSI repair operations without requiring UAC prompts.
First reported: 04.09.2025 14:57π° 1 source, 2 articlesShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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A temporary workaround involves running apps that use Windows Installer (MSI) as an administrator.
First reported: 04.09.2025 14:57π° 1 source, 1 articleShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
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IT admins can use a Known Issue Rollback (KIR) to mitigate the issue by configuring a special Group Policy on affected Windows versions.
First reported: 04.09.2025 14:57π° 1 source, 2 articlesShow sources
- Microsoft says recent Windows updates cause app install issues β www.bleepingcomputer.com β 04.09.2025 14:57
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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The September 2025 Windows security update reduces the scope for requiring UAC prompts for MSI repairs.
First reported: 10.09.2025 15:02π° 1 source, 1 articleShow sources
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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IT admins can disable UAC prompts for specific apps by adding them to an allowlist.
First reported: 10.09.2025 15:02π° 1 source, 1 articleShow sources
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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UAC prompts will only be required during MSI repair operations if the target MSI file contains an elevated custom action.
First reported: 10.09.2025 15:02π° 1 source, 1 articleShow sources
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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Microsoft provided a method to turn off UAC prompts for specific apps by including MSI files on an allowlist.
First reported: 10.09.2025 15:02π° 1 source, 1 articleShow sources
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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The method requires adding new SecureRepairPolicy and SecureRepairWhitelist registry keys under HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer.
First reported: 10.09.2025 15:02π° 1 source, 1 articleShow sources
- Microsoft fixes app install issues caused by August Windows updates β www.bleepingcomputer.com β 10.09.2025 15:02
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Microsoft released the KB5065426 and KB5065429 updates to resolve the NDI streaming issues.
First reported: 10.09.2025 16:02π° 1 source, 1 articleShow sources
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
-
The September 2025 Patch Tuesday security updates also address unexpected UAC prompts and app installation problems for non-admin users.
First reported: 10.09.2025 16:02π° 1 source, 1 articleShow sources
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
-
Microsoft fixed a known issue causing security updates delivered via Windows Server Update Services (WSUS) to fail with 0x80240069 errors after installing KB5063878.
First reported: 10.09.2025 16:02π° 1 source, 1 articleShow sources
- Microsoft fixes streaming issues triggered by Windows updates β www.bleepingcomputer.com β 10.09.2025 16:02
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