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Screenshot: Dmitriy Domino (Shutterstock) Who would have thought that one of the more useful troubleshooting tools in Windows 10—good ol’ chkdsk —would itself become wrapped up in a paralyzing bug that could brick your PC. Not me, that’s for sure, given the “Check Disk” command is typically used to scan for and fix errors with your file system (and related metadata). According to Windows 10 update KB4592438 , released earlier this month, an error introduced by said update could cause some perilous issues with one’s PC. As Microsoft described: “A small number of devices that have installed this update have reported that when running chkdsk /f, their file system might get damaged and the device might not boot. “ If I had to rank typical computer problems by severity, I would say “a troubleshooting tool that actually bricks your system instead of helping you out” would sit toward the top of my list. Microsoft claims that it’s already fixing this issue, so make sure you’ve installed anything and everything that’s available to you within Windows Update to ensure you aren’t bothered by this really frustrating bug. After that, wait, as the official fix will roll out automatically to your system. Screenshot: David Murphy What if chkdsk already borked your system? Assuming you’re staring at a system that refuses to start up like it normally would, don’t panic. Or, rather, you’ve probably already been panicking, so it’s good that you’ve gotten most of the stress out of your body already. […]