Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...
Microsoftは2026年1月13日に2026年初の月例アップデートとなるKB5074109を配信しましたが、配信当初からアプリのフリーズやシャットダウン関連の不具合が発生していました。しかし最近になり、一部のPCで突然起動不可能になる不具合が発 ...
Microsoft released unplanned updates over the weekend. They correct errors in the January patches and bring new boot certificates.
Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.
Tom's Hardware on MSN
Some PCs can't boot after latest Windows 11 security update, no fix in sight — mostly ...
A Windows security update bug has prevented some Windows 11 24H2 and 25H2 users from booting into their PCs, requiring them ...
Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.
Windowsのエラーで0xc00021aが表示されたら、どう解決すればいいか？Tenorshare社は2023年2月6日(月)にWindows Boot Genius V1.0.7をリリースしました。4DDiG Windows Boot Geniusを使用すると、Windowsのエラーを簡単に修正できます。 「0xc00021aというエラーが出るのはなぜなのか？
Struggling with the dreaded "Inaccessible Boot Device" error on your NVMe drive in Windows 11? Discover proven, step-by-step ...
Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...
4 日on MSN
'Devices are failing to boot': Why the latest Windows 11 bug could cause Microsoft more grief
Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...
Microsoft is shifting focus to fixing Windows 11 performance and reliability after months of buggy updates, boot failures, ...
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