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
downloadstall
enterprise it
installation guide
kb5063878
kir
known issue rollback
mecm
microsoft update catalog
os build 26100.4946
patch management
registry
sccm
windows 11
windows update
windows update errors
wsus
wsus issues