Hello @Darskiy
- First make sure your system meet with all the perquisite list in this article
- Windows 10 Pro, Enterprise or Education build 18305 or later (Windows Sandbox is currently not supported on Home SKUs)
- AMD64 architecture
- Virtualization capabilities enabled in BIOS
- At least 4 GB of RAM (8 GB recommended)
- At least 1 GB of free disk space (SSD recommended)
- At least two CPU cores (four cores with hyperthreading recommended)
I would also suggest post this thread on Microsoft Community , users there are more familiar with this issue and are better at solving it.

Or send File bugs and suggestions at Windows Sandbox's Feedback Hub.
Best Regards
Karlie
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