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...
0x80240069
24h2
download stall
enterprise it
kb5063878
kir
known issue rollback
manual install
mecm
osbuild26100.4946
patch management
registry override
sccm
update catalog
windows 11
windows update
windows update errors
wsuswsusdownloadfailures
