Microsoft’s August cumulative for Windows 11 — shipped as KB5063878 (OS Build 26100.4946) on August 12, 2025 — has become the subject of two very different but intersecting headaches: an enterprise deployment regression that broke WSUS/SCCM installs (error 0x80240069) and a cluster of...
0x80240069
backups
cve-2025-50173
data integrity
enterprise it
kb5063878
kir
known issue rollback
nvme
phison
sccm
ssd
storage firmware
telemetry
troubleshooting
uac
windows 11
windows installer
wsus
Microsoft's August 2025 cumulative updates have produced a high‑profile compatibility regression that prevents many non‑administrator users from completing per‑user MSI installations and self‑repairs, prompting emergency mitigations from Microsoft and a wave of operational guidance for IT teams...
0x80240069
admin guidance
configuration manager
cve-2025-50173
elevation of privilege
group policy
intune
it lab
kb5063878
kir
known issue rollback
msi
patch management
per-user msi
sccm
windows 11 24h2
windows installer
windows update
wsus
Microsoft quietly published two targeted Dynamic Update packages for Windows 11, version 24H2 (and Windows Server 2025) — KB5065378 (a Setup Dynamic Update) and KB5064097 (a Safe OS / WinRE Dynamic Update) — on August 29, 2025, delivering refreshed setup binaries and a new Windows Recovery...
Microsoft’s weekly week-in-review reads like a study in contrast: a steady drip of interesting concepts for what Windows could become, juxtaposed with another heavy round of real-world reliability problems in the Windows 11 update pipeline that are inconveniencing administrators, streamers, and...
Enterprise administrators are reporting that Windows Update error 0x80240069 appears when deploying the August cumulative update KB5063878 through WSUS or SCCM, while the same package installs cleanly via Windows Update and manual downloads. The pattern points to a delivery path problem in...
Last week’s August Patch Tuesday delivered the usual mix of security fixes and servicing updates — and with it a familiar enterprise headache: a cluster of delivery- and recovery-related regressions that have already prompted Microsoft to issue targeted mitigations and begin emergency servicing...
Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) shipped with security fixes — and within days the patch was linked to two very different reliability problems: an enterprise deployment failure that produced WSUS/SCCM install errors, and a separate cluster of...
0x80240069
august 2025
backups
data integrity
data loss
enterprise it
firmware
kb5063878
nvme
os build 26100.4946
patch tuesday
phison
sccm
ssd
storage regression
troubleshooting
windows 11
windows release health
wsus
Microsoft’s August Windows 11 patch cycle has produced two very different but equally alarming headlines this week: an emergency mitigation for enterprise update delivery failures, and community reports that the same cumulative update may be triggering storage devices to become unreadable or...
0x80240069
august 2025
data backup
data loss
dram-less
enterprise it
install failure
kb5063878
kernel driver
mecm
nvme
phison
release health
sccm
servicing stack
ssd failures
storage disappearance
vendor advisories
windows 11
wsus
Microsoft’s August cumulative for Windows 11 (KB5063878) promised performance and security fixes, but within days it became the focal point of two separate reliability incidents: an enterprise deployment failure that blocked WSUS/SCCM installs and, more alarmingly, early community reports that...
0x80240069
backups
data loss
enterprise it
firmware
hdd
hmb
kb5063878
known issue rollback
nvme
phison
release health
reliability
sccm
ssd
storage
windows 11
windows 11 24h2
windows update
wsus
Microsoft has confirmed three distinct issues tied to the August 12, 2025 cumulative security update for Windows 11 version 24H2 (KB5063878), affecting enterprise update channels and producing noisy, though largely nonfunctional, error logs on some devices; Microsoft has issued rollbacks...
Microsoft pushed a targeted re-release and mitigation for the August 2025 Windows 11 24H2 cumulative update (KB5063878) after enterprise customers reported widespread WSUS/SCCM delivery failures that surfaced as error code 0x80240069 — Microsoft acknowledged the problem and rolled a containment...
Microsoft has acknowledged an emergency problem with the August 12, 2025 cumulative update for Windows 11 (KB5063878), after enterprise administrators reported widespread installation failures when the package is delivered through Windows Server Update Services (WSUS) and System Center...
0x80240069
24h2
adml
admx
enterprise update
group policy
intune
kb5063878
kir
known issue rollback
microsoft update catalog
msu
os build 26100.4946
patch management
sccm
update troubleshooting
windows 11
windows update
wsus
Microsoft has confirmed that the August cumulative update for Windows 11 version 24H2 (KB5063878, OS Build 26100.4946) is failing to install on some enterprise-managed endpoints delivered via WSUS and SCCM, and Redmond has published a Known Issue Rollback (KIR) policy that administrators can...
Microsoft has confirmed that the August 12, 2025 cumulative update for Windows 11, KB5063878 (OS Build 26100.4946), can fail to install on enterprise endpoints when delivered via Windows Server Update Services (WSUS) or System Center Configuration Manager (SCCM/MECM), producing the error code...
Microsoft’s August cumulative update for Windows 11 (KB5063878) is failing to install on a subset of systems—most notably enterprise devices serviced through WSUS and ConfigMgr—and administrators are being given a short list of containment options that trade speed for scope and safety. view
The...
Microsoft has confirmed that the August 12, 2025 cumulative update for Windows 11 version 24H2 (KB5063878, OS Build 26100.4946) is failing to install on enterprise-managed devices when delivered via WSUS and SCCM, producing the Windows Update error code 0x80240069; Redmond is rolling a temporary...
0x80240069
enterprise it
group policy
intune
kb5063878
kir
known issue rollback
manual install
mecm
microsoft release health
os build 26100.4946
registry override
sccm
servicing stack update
update troubleshooting
windows 11
windows update
wsus
Microsoft has confirmed that the Windows 11 August 2025 cumulative update (KB5063878) is causing installation failures in certain enterprise scenarios and has pushed an emergency mitigation while engineers work on a permanent fix. The issue surfaces as error code 0x80240069 when updates are...
0x80240069
certenroll
enterprise it
event viewer
kb5063878
kir
known issue rollback
mecm
media creation tool
microsoft update catalog
powershell
registry override
release health
sccm
update failures
windows 11
windows 11 24h2
windows update agent
wsus
wuauserv
Microsoft has confirmed that the August 12, 2025 cumulative update for Windows 11 (KB5063878, OS Build 26100.4946) is failing to install on managed endpoints delivered through WSUS and SCCM, producing the download/install error code 0x80240069; the company is offering a temporary Known Issue...
0x80240069
admx
enterprise it
group policy
intune
kb5063878
kir
known issue rollback
lcu
os build 26100.4946
sccm
ssu
update troubleshooting
windows 11
windows update
wsus
Microsoft's August cumulative for Windows 11, KB5063878 (OS Build 26100.4946), is rolling out as a mandatory security update but is triggering a fresh wave of update failures in managed environments — most commonly a WSUS/SCCM download crash flagged with error code 0x80240069 — and...