Windows Defender bug might fill your hard travel with hundreds of data files

Toya Wentland

If you are utilizing a product with Microsoft’s Home windows 10 running process and Home windows Defender as the default stability alternative, you may perhaps be impacted by a bug that is filling the hard drive with information.

Windows Defender puts thousands of documents in the folder C:ProgramDataMicrosoftWindows DefenderScansHistoryStore if a unit is affected by the challenge. More than 10,800 objects were being put in the folder on a examination method functioning Windows 10 model 20H2. Other consumers claimed above 950,000 documents above the training course of a 24 hour period and 30 Gigabytes of storage occupied by the information. Most data files are little in dimensions, concerning 1 and 2 Kilobytes.

The bug may possibly have an effect on specified functions, these kinds of as synchronization or backup responsibilities. Backups and syncs could consider for a longer time to full, and may occupy much more space. Storage units may possibly also be crammed up quickly, relying on the severity of the knowledgeable challenge on a system.

Quite a few Microsoft Answers threads exist in which Windows end users and server directors report the difficulty. It is affecting a extensive wide variety of Windows versions, and not only Home windows 10 in accordance to these studies. Windows versions outlined involve Windows Server 2021 R2, Windows Server 2016 and 2019, and Windows 10.

Considering the fact that it is a Windows Defender bug, it is probably that all Home windows versions might be afflicted by the issue. In other text, it does not count on the functioning technique but the Windows Defender version.

windows defender version

The impacted engine model is 18100.5, the mounted engine variation appears to be 18100.6. You can confirm the version of Home windows Defender on Windows 10 by opening Configurations > Update & Safety > Windows Stability > Open Windows Protection > Configurations icon > About. Microsoft might release the fastened model this Thursday.

1 workaround at the time of creating is to delete the documents that are in the folder. Be aware that new data files will be extra to the folder by Home windows Defender right until the concern is mounted by an update. Some customers noted that turning off realtime protections will also stop the output of the documents.

Observe that you will need administrative rights to open up the folder, and that some folders may perhaps be hidden by default.

To sum it up:

  • Windows Defender has a bug that sites plenty of data files into the folder C:ProgramDataMicrosoftWindows DefenderScansHistoryStore.
  • Microsoft will release a repair shortly for the difficulty.
  • The information can be deleted.

Now You: Are you afflicted by the situation? (via Deskmodder)


Windows Defender bug may fill your hard drive with thousands of files

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Windows Defender bug may perhaps fill your tricky drive with thousands of information


If you are using a system with Microsoft’s Windows 10 running program and Home windows Defender as the default protection solution, you could be impacted by a bug that is filling the challenging travel with files.


Martin Brinkmann


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