Windows sandbox is a function introduced with the update of windows 10 version 1903 , which allows users to run independent operating system instances so that they can safely test applications and services. It is like the virtual machine of windows 10 system. The system runs independently in sandbox, all system files are protected, and all changes are automatically reset when the application is closed.
It has to be said that windows sandbox solves the needs of many users for security testing environment and reduces the necessity of deploying VirtualBox and other applications. However, Microsoft recently admitted that the cumulative updates released recently caused windows sandbox and Windows Defender application guard (wdag) to start up incorrectly.
It is worth noting that the currently affected feature updates include
Windows 10 Pro, version 1903
Windows 10 Enterprise, version 1903
Windows 10 Pro, version 1909
Windows 10 Enterprise, version 1909
Windows 10 Pro, version 2004
Windows 10 Enterprise, version 2004
This error exists in feature updates including windows 10 may 2020 (20h1 / version 2004). In an official Microsoft support document, users may encounter "error" after running Windows sandbox_ VSMB_ SAVED_ STATE_ FILE_ NOT_ "Or" c0370e "_ Pathnot found (0x80070003) ".
Microsoft says the current temporary solution is very simple: restart the computer. "If you receive any of the above error notifications, you need to restart the device to alleviate the problem," Microsoft said. Microsoft said that it has been developing the corresponding patch, but it has not provided a specific online time.