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Windows stuck at loading screen after installing Windows updates with Endpoint Security Client installed Technical Level
  • After installing Windows updates, the client machine needs rebooting. Once the reboot happens, the machine gets stuck, or hangs for a long time, at the Windows loading screen.

The Windows Catalog DB file contains a corruption that Windows normally fixes after the OS fully loads.

The system inspects the catalog file on boot, and the system ends up in a long loop of inspection due to the corruption. 

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