If you are running an Antivirus program on the Cathexis or AmanoVision recorder, make sure to exclude the following from the real-time scanner.
CathexisVideo
Files
C:\Program Files\Cathexis Server\* (entire folder)
Processes
C:\Program Files\Cathexis Server\nvr_integration.exe
C:\Program Files\Cathexis Server\nvr_fsdb.exe
AmanoVision
Files
C:\Program Files\AmanoVISION Server\* (entire folder)
Processes
C:\Program Files\AmanoVISION Server\nvr_integration.exe
C:\Program Files\AmanoVISION Server\nvr_fsdb.exe
The built-in installer only adds exceptions for Microsoft Windows Defender. You must manually add third party scanners on your own.