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There are group policy settings to regain control over Windows Defender automatic quarantine/deletion: https://www.windows-security.org/6d29bb05ca76bf06eae9760

There are group policy settings to regain control over Windows Defender automatic quarantine/deletion: https://www.windows-security.org/6d29bb05ca76bf06eae9760e736b6860/turn-off-routine-remediation https://www.windows-security.org/6d29bb05ca76bf06eae9760e736... I use that and another setting to disable automatic sample submitting after catching Defender uploading sensitive files from my Firefox profile directory like places.sqlite.

bserge 5y ago
I don't know how the new Defender quarantine works, but it's not just a folder on the system anymore. Often you just can't get your files back and Microsoft's answer is "well, they're dangerous".
MomoXenosaga 5y ago
Win10 home doesn't have that. And I speak from experience that defender likes to magic away files to quarantine without any user interaction. Yes I didn't believe it either but it does. Indignation!
- alyandon 5y ago
  While Windows 10 Home doesn't have a UI for manipulating the local group policy settings you might have luck just setting the registry key directly.