Hello!
When i was playing some games i was hearing the sound when a folder in your computer is opening(I am using Windows 7 Ultimate). It happend like 2-3 times for hour.
My question is: Do i have to worry or not?
impossible to say, but if you do worry and want a check …
follow instructions here https://forum.avast.com/index.php?topic=53253.0
we need Malwarebytes and Farbar Recovery Scan Tool logs, attach the logs, 3 logs total
see below the box you write in … Attachments and other options
a malware expert will then assist you