 not an IT guy, so don't understand it completely, but from what I understand is that Microsoft itself, like the company that makes the software for like all the operation systems for the vast majority of computers, if you're either a Mac guy or you're a Microsoft guy, and apparently Microsoft was doing some type of update, upgrade, something rather, and somehow some cyber attack got into the system and crashed a whole bunch of stuff, and it was only temporary, but it did affect a lot of individuals, affected a lot of