Microsoft has moved quickly to unwind a Windows 11 servicing misfire, releasing KB5086672 on March 31, 2026 to repair the installation breakage that forced the company to pull the March 26 preview update. The out-of-band package restores the March preview’s features and quality fixes while...
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kb5079391
kb5086672
out-of-band patch
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servicing stack
smart app control
update error
windows 11
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