"prevent changes to parts of the registry" & "stop code from being run without you knowing"
Hmmmm how would any program work then. Although what i understand you are looking for is called a "Sandbox" - not sure myself so i'll stop here.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
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