The Windows Boot Manager is like a concierge. If you have multiple operating systems installed, it stops and asks: "Where are we going today?"
To use a loader, you often have to disable your antivirus, UAC (User Account Control), and SmartScreen. By the time you run the .exe , you have given it permission to do anything. Even reputable file-hosting sites have been caught bundling loaders with ransomware that encrypts your hard drive seconds after "activation." windows loader