Browser keeps opening by itself

Had my browsers opening themselves randomly all of a sudden. Purchased Norton 360, did all the scans and it found nothing. Then downloaded Norton Power Eraser and it found something. However, this morning Chrome has started opening itself (just one window not many at it was doing yesterday).

What can I do next!!

ROSIE-ROYAL:

Thanks for all your comments. Really appreciate it. However, since posting this I have not had Chrome or Firefox launching by themselves, several instances on top of one another, as was the case before when I just had the free version of AVG. I decided to look around for a different software and went with installing ESET premium on a trial basis. I decided to go with Norton in the end as it just seems easier and less technical.

1) When I installed ESET it ran its scans and found one file which was quarantined and the browsers stopped launching one after another. 

2) But a little while later Chrome launched by itself suddenly, only one instance. That's when I sent through the post on this forum. 

3) I decided to go with Norton in the end as it just seems easier and less technical. 
After that I ran a scan with Norton and it found a bad file so my guess is that all is well now...
I would like to know what the file was that Norton found but I can't see where it stores that info. Where does it quarantine files?

1) interesting - Thanks

2) Do you run Chrome sync? 
Maybe, Reset Chrome settings. 
https://malwaretips.com/blogs/reset-chrome-settings/

3)Are you asking about Norton Power Eraser scan or Norton 360 scan?
re: Norton 360
View Recent History => Quarantine | Resolved Security Risks

Review recent Norton device security scan results or other protection updates on your PC
https://support.norton.com/sp/en/us/home/current/solutions/v12687512

View or fix device security risks that your Norton product detects
https://support.norton.com/sp/en/us/norton-360/current/solutions/v1910999

When you install Norton for the first time, Norton takes at least one hour to find all the threats in your computer. If you suspect your computer is infected, run a Full Scan immediately after installation.

https://support.norton.com/sp/en/us/norton-360-deluxe/current/solutions/v7786102 

Run Norton scans to check for threats on your PC
https://support.norton.com/sp/en/us/home/current/solutions/v1910793


Please tell us what Norton is telling you regarding this event.
For information regarding this event > from Norton pop-up > View Details > Copy to Clipboard &or from Norton history > More Options > Copy to Clipboard > paste here.


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Malwarebytes Malware Removal Help offers free one-on-one help.
Malwarebytes staff & experts help all.  Malwarebytes subscription is not needed. 


  • Norton product or service name and version
  • Operating system - version / build 

  1. after Norton 360 install > run Norton LiveUpdate a few times + machine Restart (not Shut down) a few times. Repeat.  
  2. Norton 360 = 22.23.9.9/22.23.10.10
    Norton Security 22.23.10.10 for Windows is now available!
  3. Review Norton Settings to your preference.  Create Backup Sets to your preference. 
  4. run Norton 360 Full Scan (once)
  5. run Norton LiveUpdate + machine Restart (not Shut down)

Thanks for all your comments. Really appreciate it. However, since posting this I have not had Chrome or Firefox launching by themselves, several instances on top of one another, as was the case before when I just had the free version of AVG. I decided to look around for a different software and went with installing ESET premium on a trial basis. I decided to go with Norton in the end as it just seems easier and less technical. When I installed ESET it ran its scans and found one file which was quarantined and the browsers stopped launching one after another.  But a little while later Chrome launched by itself suddenly, only one instance. That's when I sent through the post on this forum.  After that I ran a scan with Norton and it found a bad file so my guess is that all is well now...

I would like to know what the file was that Norton found but I can't see where it stores that info. Where does it quarantine files?

@ROSIE-ROYAL
Please post progress:
Thanks

ROSIE-ROYAL:

1) Had my browsers opening themselves randomly all of a sudden.
2) Purchased Norton 360, did all the scans and it found nothing.
3) Then downloaded Norton Power Eraser and it found something.
4) However, this morning Chrome has started opening itself (just one window not many at it was doing yesterday).

1) Had you installed any program/s or browser extension/s?
What browsers? Do you run browser sync?
Browsers opens randomly on Windows startup or not associated with Windows startup? 
Browsers randomly open to same page? what page?
2) What security solution before Norton 360?
3) Norton Power Eraser may be run from within Norton 360.  found something = ?
4) One window = same one window = what window? 

Reset Chrome settings to default
https://support.google.com/chrome/answer/3296214


Malwarebytes offers free second opinion on-demand scanner. 
Malwarebytes Malware Removal Help offers free one-on-one help.
Malwarebytes staff & experts help all.  Malwarebytes subscription is not needed. 


  • Norton product or service name and version
  • Operating system - version / build 
  • Norton error message / error code / screen shot (mask personal info)
  • Steps to reproduce issue

A lot of browsers keep running in the background so even when you 'close' the browser it is still running in the background taking up resources, could this be the issue. I mainly use Edge, this is the same, had to disable background tasks in settings. Chrome apparently is the same. ie, when closed it is still live in the background. Have Chrome on an old 8.1 laptop but very rarely use, main daily computer current desktop using Edge as default. A MS Edge update a while back included this 'feature', apparently so next time of opening, pages loads quicker - if it did  it was only milliseconds, not noticeable.

https://www.youtube.com/watch?app=desktop&v=zhh-pDAvg4E

https://www.omgchrome.com/stop-chrome-running-in-background-windows/

https://www.techbout.com/chrome-running-in-background-after-closing-51239/