\System Volume Information\EfaSIData\SYMEFA.DB seems to block 'Safely Remove'

Good day,

I have a simular problem as this thread https://www.symantec.com/connect/forums/system-volume-informationefadatasymefadb-seems-block-safely-remove?ts=1510846310

My server is running on windows server 2016 and the version of the endpoint protection is 12.1.7266.6800. When I look in Process Explorer, I come across multiple things that are occupying the USB harddrive.

Now most of them are numbered but all start like this. \System Volume Information\EfaSIData\SYMEFA.DB. I've read in the link I mentioned before that there was a patch for a previous version of endpoint protection that seemed to fix his problem. Is there also a patch or steps I could take, that will fix my problem?

Kind regards