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Hell freezes over, MS Paint adds support for layers and PNG transparency
(arstechnica.com)
This is a most excellent place for technology news and articles.
Who told you that? MS Paint is basically a critical windows utility.
If you remove mspaint.exe then Windows will refuse to boot. It's true, I knew a guy!
Jokes aside you can boot Windows without Windows at all. By that I mean you can boot Windows NT without Win32.