IT admins around the world are scrambling to fix a major issue with Windows computers today after a faulty update from cybersecurity provider CrowdStrike knocked thousands of PCs and servers offline with a Blue Screen of Death (BSOD) error. While CrowdStrike has fixed the update that originally caused the problems, many systems are still offline, with banks, airlines, supermarkets, and TV broadcasters struggling to cope without their machines. The fix, for many, won’t be easy. IT admins are stil...