Microsoft says, for once, Windows update isn't to blame for Galaxy Book4 laptops losing access to C: drive — the Galaxy Connect app was the culprit, and it's been taken down from Microsoft Store

Microsoft and Samsung investigated a widely reported issue with Galaxy Book 4 devices and said the Galaxy Connect app was the culprit. These laptops were losing access to the C: drive and, initially, people thought it had something to do with Windows Update. Microsoft has posted recovery steps for those that were affected.