If you find that when you load the MakeCode Editor that elements of the editor are missing or it gets stuck loading a new project: that you meet the firewall allow-list requirements for the editors try freeing up some storage space.
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- Check that you meet the firewall allow-list requirements for the editors
- Try freeing up some storage space.
- Reset the editor
- Type chrome://appcache-internals at the address bar and Remove items which consume lot of disk space
