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Protect your files first
Back up important files when possible. If the drive is encrypted, locate the BitLocker recovery key before recovery changes. Stop if storage appears to be failing or this is a work or school managed PC.
What this means
We do not present an ad as a download button, Windows repair action, or Microsoft recommendation. We currently publish no product affiliate links in the generated site. If affiliate links are later added, qualifying pages will receive a clear disclosure near the recommendation.
Next step
A sponsored placement does not change the code meaning, risk warning, or official-support route.
Keep track of your checks
This checklist stays in this browser session. It is not sent to WinErrors.