About a decade ago, I made a tiny little executable in Delphi so I could browse the hard drive contents on school computers, which otherwise hide it from Window

About a decade ago, I made a tiny little executable in Delphi so I could browse the hard drive contents on school computers, which otherwise hide it from Windows Explorer using group policy. Mischievous and definitely against school rules, but harmless. The school antivirus had a false-positive and decided it was some particular virus. God knows how.