Disable Taskbar Transparency (JScript)

// ============================================================
// SetDisableTaskbarTransparency.js
//
// Disable Taskbar Transparency.
// Turns off the translucent taskbar/Start menu effect for a small performance gain.
//
// Usage: cscript SetDisableTaskbarTransparency.js
// ============================================================

var objShell = WScript.CreateObject("WScript.Shell");

try {
    objShell.RegWrite("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize\\EnableTransparency", 0, "REG_DWORD");
    WScript.Echo("Disable Taskbar Transparency applied.");
} catch (e) {
    WScript.Echo("Failed to apply tweak: " + e.description);
}