Try the following while running with SYSTEM privileges. First open an elevated Command Prompt and launch a SYSTEM shell:
psexec -i -s cmd.exe
If PsExec is not installed, download it from Microsoft Sysinternals and run the command from its directory. In the SYSTEM command window, set the service startup type to disabled:
reg add "HKLM\SYSTEM\CurrentControlSet\Services\EntAppSvc" /v Start /t REG_DWORD /d 4 /f
Confirm the change:
reg query "HKLM\SYSTEM\CurrentControlSet\Services\EntAppSvc" /v Start
Ensure the value is 0x4.
Then reboot the OS
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hth
Marcin