Krijg steeds de probleemmelding:
ImagePpath- C;\ProgramFiles\AvastSoftware\Avast\ng\vbox\avastvboxsvc.exe
How solve it?
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Post fixed 
Have you tried just doing a reboot?
If so you could try a Repair of Avast followed by a reboot to see if this helps.
If you still have the problem after doing a “Repair” then perform a clean installation of Avast.