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Critical I/O Errors – Windows Failed to Start, Could not initialize memory
Disk encountered critical I/O errors” | “Windows failed to start” | “Could not initialize memory”

Solution:
You have filled the 127 GB quota issued by Azure Labs, space can be freed up by deleted an unused VM and associated VHD (see video guide above). It is recommended that you contact your tutor and very important that you download any screenshots to your local computer before taking any further action.