The file arrived in two seconds and in those two seconds Javier imagined every horror story about rogue executables. He took a breath, made a copy of the current configuration, and installed KSuite 270 into a sandboxed workstation. The installer was polite and precise, a memory of clean engineering: brief notes about patched drivers and an optional diagnostic mode. It asked nothing strange, just whether to back up the registry—a yes, obviously. He started the built-in diagnostics and watched a long list of tests flick from red to amber to green.