You receive error code: 0x80070002 during installation of the Symantec Endpoint Security (SES) agent.
C:\ProgramData\Symantec\FSD\<FSDLauncher-yyyy-mm-dd-HHhMMmSSs.log>:
Error : fsd::ValidateFile(1367) : File C:\Users\Public\Downloads\Symantec\<Package ID folder>\Symantec_Agent_Package\SAV.dat does not exist
Windows 10
SES 14.3 RU8
Microsoft Sysinternals Sysmon with a blocking policy
Sysmon is configured to block writing to C:\Users\Public and subfolders.
Modify the Sysmon policy to allow the SES installer to write to C:\Users\Public\Downloads or disable Sysmon during installation.