How can i recover a corrupted windows sandbox without installing windows back?

[Windows Server]

Basically, the first sign of corruption was the fact the sandbox took more than 1 minute to launch today, once launched the sandbox wasn't reaching any dns address to searching to the web was impossible. In attempt to fix the following issue i searching trough the sandbox settings which was displaying Connected.I restarted the sandbox and the following was showing no availlable connections. In a attempt to fix the following problem i attempted to disable the feature and enable it again.However when activating back the feature and restarting i'm greated with a installation faillure and windows

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