Windows 10 security flaw can be mitigated with the press of a button

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Restarting your PC could help reduce the risk of a security issue due to a bug.

HP Elitebook
HP Elitebook (Image credit: Windows Central)

What you need to know

  • Some Windows 10 PCs have an issue that causes Windows Defender Application Guard and Windows Sandbox to fail.
  • The issue can be mitigated by restarting your device.
  • Microsoft is working on a resolution for the issue.

A Microsoft support page outlines the issue (via Techdows). When your PC runs into the issue, you'll see one of the following error messages.

  • ERROR_VSMB_SAVED_STATE_FILE_NOT_FOUND (0xC0370400)
  • E_PATHNOTFOUND (0x80070003)

Microsoft explains that you can mitigate the issue by restarting your device.

If left unmitigated, the issue can cause security problems. Windows Sandbox allows applications to run within isolated desktop environments. WDAG opens untrusted sites in isolated Hyper-V containers to help keep Windows 10 and Microsoft Edge safe from online attacks.

Microsoft updated the support page on July 24, 2020 and is working on a resolution for the issue that will come in an upcoming release of Windows 10.

Sean Endicott
Sean Endicott
News Writer and apps editor

Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.

Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.