Norton Power Eraser - 3 new risks

....and are you assured your PC is risk-free?

maybe, you can ask Chat with Official Norton Support to review your NPE scan log.....to assure you.  

Just me.  I would never trust NPE scan nor act based upon NPE scan (nor trust System Restore Point will be created nor trust restore point will "fix-whatever").   Just saying.  

NPE does not detect malware (that is what Norton Security is for), it presents you with a list of files that could be malware.  It is meant to be run when your Norton program does not detect anything malicious but you still suspect that something may be acting suspiciously on your PC.  If there doesn't appear to be anything wrong, the results returned by NPE will almost always be safe files that belong to applications on your system.  NPE doesn't tell you much about a file because it really doesn't know much about the files it presents - that's the whole point, if Norton knew whether the file was actually malicious or not you would not have to run NPE, as Norton Security would catch it if it was malicious and NPE would not flag it if it was a known good file. 

https://community.norton.com/en/comment/786524

FWIW ~ Norton Community often suggests Malwarebytes Free for second opinion on-demand scanner.  YMMV
Regards w Respect

maybe, you can Copy to Clipboard your blue items (Norton Power Eraser - 3 new risks) (for example)

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c:\windows\system32\tasks\ccleaner update
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                                        Developers 
                                        Not Available
                                    

                                        Version 
                                        Not Available
                                    

                                        Identified 
                                        9/20/2018 at 12:29:51 PM
                                    

                                        Last Used 
                                        9/20/2018 at 12:29:51 PM
                                    

                                        Startup Item 
                                        No
                                    
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UNKNOWN
Number of users in the Norton Community that have used this file: Unknown
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UNKNOWN
This file release is currently not known.
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UNPROVEN
There is not enough information about this file to recommend it.

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                            Threat Details
                            File Location
                        
File: C:\WINDOWS\system32\tasks\CCleaner Update Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tasks\{F097D0D7-0B89-46E5-951C-3773604EC05A} Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Boot\{F097D0D7-0B89-46E5-951C-3773604EC05A} Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\CCleaner Update
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File Thumbprint - SHA:
4BEAAAEC2E4651E566F53A8374A2585A4CB32CF0FA909241A553E1A568F8E855
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RobWood:

I don't know.  Every time I ran NPE before, my PC always came out perfectly clean. Occasionally I used to get the odd risk, but after I ran NPE it was gone.  Now, these 3 new risks are stuck on my PC. I wouldn't mind, but you hear so much about trojan viruses and things like that getting downloaded, and it's made me a little paranoid. I just wish there was some info about them. 

 Chat with Official Norton Support.

...have you reported your observation thru  Chat with Official Norton Support.

You may also reference this Topic to support > https://community.norton.com/en/forums/norton-power-eraser-3-new-risks

ITMA.
​It's all in the wording. Occasionally, I run the NPE. I've seen the 3-risks, as above.
RISK, is it really the correct terminology ? INDICATION, would be a better word.
STATUS = UNKNOWN. Not known to Norton ?
I read it as, there's an INDICATION, UNKNOWN to NORTON. Doesn't make it a PC Busting 'SNOT - BOMB'.
I make an archive note of the NPE INDICATIONS, for future reference. That's all !
If you're not experiencing any strange PC anomalies. Just carry on as usual.
"It's That Man Again."
The SinecoalCirph4.

Thank you everybody for the quick responses.  I just wanted to share that it seems this issue came about only after the latest version of Norton Security was released last week.  It may well be that NPE, at this point, is unable to recognize some of its own files.  I knew full well that NPE shouldn't be used a routine scan.  I guess that's what you get when you play with fire!