Ideally this should have been added to your first topic as it is related (keeps the prior information and this together); as I said about the infected/detected restore point, just let avast move that to the chest.
No need to take your laptop to repair shop unless you have a surplus of money, otherwise stick with the avast forums
This detection on the igfxpers.exe (in three locations) needs further investigation as it is a legit file name (doesn't mean it is clean though) to confirm or deny the detection as it could be a false positive.
You could also check the offending/suspect file at:
VirusTotal - Multi engine on-line virus scanner and
report the findings here, post the URL in the Address bar of the VT results page. You can't do this with the file securely in the chest, you need to Open the chest and right click on the file and select '
Extract' it to a temporary (not original) location first, see below.
Create a folder called
Suspect in the
C:\ drive. Now exclude that folder in the
File System Shield, Expert Settings, Exclusions, Add, type (or copy and paste)
C:\Suspect\* That will stop the File System Shield scanning any file you put in that folder.