She's doing it all wrong, actually. It's much safer to remove the keyboard and really scrub those circuits. And be sure to use a mix of 2:1 Ammonia to Bleach for maximum effectiveness.
A lightzapper, of course! Or a bugsaber? Either way, this lightbugzappersaber is a fantastic way to get back at those pesky critters flying around your room. Never mind that you may look like a drunkard doing a Jedi impression to distant observers, but whatever, the Force isn't strong with them anyway.