Every time I boot up Norton is taking anywhere between 50% and 99% of CPU, and this is for hours at a time, not 30 seconds. It is becoming so bad that I have deinstalled, then reinstalled, but the same behaviour is present.
What’s the problem, has anyone else experienced this, and is there a fix apart from cancelling and completely deinstalling Norton?
System is i7, 64GB RAM, GTX 1080, 2TB SSD.
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recent issue?
Norton 360 v22.24.7.8?
and you’re W11? Nvidia GeForce GTX 1080 with 2TB SSD
I’m wondering if your Norton is running Idle Time Optimizer (calls Windows defrag/trim)
I’ll disable Idle Time Optimizer upon Norton 360 install.
I recall comment…once it starts, it wants to finish.
No…must be something else.
any other real-time security solution
Current version of Norton, and no disk defrag enabled - I use perfect disk for the other sata drives.
Has been an issue for over 4 months now so I have now given up, de installed and moved to bitdefender. CPU is now down to a normal 5-6 % doing the same things as I had been when Norton was driving cpu to over 80%.
I have now switched to Bit Defender - and cpu is idling at 5% - and when doing a scan, Bit Defender only takes 14% … so its now quiet and clutter free in comparison to Norton…
De testede den og den fylder omkring 780mb hvis jeg husker rigtig og bruger normal 30% cpu og engang imellem 80% og den nye full scan omkring 10-20min det var vad jeg fik at vide men det kan jo være ældre version men det er normalt bedre per version
I have the same issue, which shows in task manager as Norton Software Analyzer/nllblagent and in resource monitor as nllblagent.dll and aswidsagent.exe. It does not show any direct disk activity, but the disk activity might be under the system process. Regardless, the constant high CPU is making the computer unusable.
Even after disabling every item under advanced protection it is still using excessive CPU. (I do not use browser protection or any of the other items, only protections under advanced protection.)
@Julie777 My systems, both Windows 10 and 11 do not show nllbladent.dll running any CPU time and not exceeding 62 mb system memory. At your own risk. If you want to test, you can go into system config in Windows and pull up as shown below. Move to the Services tab, then check the small box in the lower left corner labeled “Hide all Microsoft services” so that only 3rd party software services are shown. You can uncheck nllbIDSAgent and restart the system to recheck if that cures your issue. If it does not simply reverse the setting and reboot again.
Thanks. I had not thought of that. I actually booted to the recovery command prompt and renamed aswidsagent.exe (which is the executable that runs the nllblDSAgent) to prevent it from running. This causes Norton 360 in the system tray to display the unprotected icon and shows that Behavioral Protection and Ransomware Protection are not running. At least my system is more usable without the constant 30% CPU being used for nothing.
FYI, for anyone else with the issue, I spent hours on the phone with Norton support troubleshooting, during which time they repeated everything that I had done, escalated to the next level tech and did it all again, and finally collected debug logs and said they will get back to me. I will keep you posted.
