CC does not clean up protection hystory in Windows Security (Windows 10 1903).
Please, correct it.
It seems that this log is mapped in mpenginedb.db (C:\ProgramData\Microsoft\Windows Defender\Scans) and in DetectionHistory (C:\ProgramData\Microsoft\Windows Defender\Scans\History\Service\)
DetectionHistory: Clear detected malware history
mpenginedb.db : Clear others (risk action blocked, controlled folder access)
Service has to be stopped before deleting these file.