Microsoft says Samsung Galaxy app bug, not Windows update, locked some users out of C: drive

Because the failures appeared around March Patch Tuesday and followed recent security updates, plenty of people blamed ...

Microsoft pulls Samsung app blocking Windows C: drive from Store

Microsoft has removed the Samsung Galaxy Connect app from the Microsoft Store because it was causing issues on specific Samsung Galaxy Book 4 and desktop models running Windows 11.

New Windows 11 bug breaks Samsung PCs, blocking access to C: drive

After Microsoft's February update for Windows 11, a Samsung app is rendering certain Windows PCs unusable. There's no solution at this time.
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Some Windows PCs can't see their C: drive, but it's not Microsoft's fault

Galaxy Connect locked people out of their PCs.

Microsoft Exchange Online outage blocks access to mailboxes

Microsoft is working to address an ongoing Exchange Online outage that is preventing customers from accessing their mailboxes and calendars.