Do I need to over-ride the 'Unable to Scan' on Avast full system scan?

[John Goss]

While doing a full system scan using Avast, it states 'unable to scan' a number of files. Is this normal and if not is there a way I am able to over ride and scan the files?

 

[Phillip Corcoran]

It's normal. Certain system files (eg the folder which contains Windows system restore points) are off-limits to third-party scanning software.

You should be able to add any such folders to an 'Exclude' list within your antivirus settings so it ignores them in future scans.

Open Avast user interface.
Click on "Settings" in the left panel.
Scroll down the blue text categories and choose "Exclusions"

 

[John Goss]

Thanks for your help and answer.
Cheers