Following your seggestion I did a quick scan and the result this time has not shown Avast! as "potentially unwanted". Anyway I have again that list of about 25 gb that I should (for avast) delete... Downloaded files (I need them) and Backup files (needed too)
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Do I have chance to list them as needed, in avast?
I don't know what you mean by a Quick Scan as the previous avast Quick scan has been removed ?
You are left with the Smart Scan, Full Scan, Folder Scan and any Custom Scan you create. I didn't include the boot-time scan as it is outside of normal scans running under windows .
You would have to look in the windows Downloaded Program Files folder to see what is there and if you want to proceed with the removal. I have nothing in that windows Downloaded Program Files folder, mainly as I have specified a download folder location.
Avast gives very little detail on what it is going to remove and
for that reason I wouldn't use the Cleanup function at all.
There are other free programs that do cleanups and they give much more detail, one such program is CCleaner, this gives much more detail. CCleaner is now within the Avast Software group of programs. I use CCleaner and it has much greater detail, just right clicking on one entry and select View detailed results and you see everything.