Microsoft has released an out-of-band (OOB) emergency update—KB5086672—to address installation problems introduced by the March 2026 non-security preview update (KB5079391). The optional cumulative preview, which shipped for Windows 11 versions 24H2 and 25H2, was pulled after users began reporting installation failures with the error code 0x80073712. KB5086672 was published on March 31, 2026 as a replacement that both restores the
Tag: out-of-band update
Microsoft Issues Emergency Windows 11 Fix for Microsoft Account Sign-In Failures
Microsoft released an out-of-band update for Windows 11 (KB5085516) on March 21, 2026, to address a sign-in regression introduced by the March 10 cumulative update (KB5079473). Affected users reported being unable to authenticate into apps using personal Microsoft accounts: despite an active internet connection, the sign-in flow incorrectly displayed a “no Internet” error and blocked access to Microsoft services such