Windows 10 Windows 10 Cumulative Update KB4493509 Causing System Slowdowns, Other Issues

shmu26

Level 85
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Content Creator
Jul 3, 2015
7,964
No idea what my last update was, but I was unable to boot into Windows - Error 0x00021a or something along those lines.
  • Automatic Repair did not resolve the issue
  • CHKDSK /F /R did not resolve the issue
  • SFC /SCANNOW did not resolve the issue
Solution: Uninstall latest Quality update
What AV are you using? Or it's not connected to AV?
 
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