Microsoft Windows System Protection Background Tasks High Disk Windows 10

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Jahed Stetter

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Jul 11, 2024, 1:11:06 AM7/11/24

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microsoft windows system protection background tasks high disk windows 10

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Microsoft Windows system protection background tasks is often associated with high CPU usage and high disk activity. The issue is still fairly common. Some people have reported a CPU usage of almost 70% by this process alone. The only way to fix the issue is to disable System Restore.

Every time I start my computer, I have to wait 15 - 20 minutes just for it to actually be usable because disk usage is stuck at 100% and causing high lag. I have no idea why, and I tried a few solutions like disabling Windows search.

As for replacing the HDD with an SSD, it might or might not be worth the trouble. You would need to transfer at least the OS to SSD, likely need to reinstall some applications, and you'd still have an eight-year-old PC. As mentioned above, I've found Linux, such as Ubuntu, far leaner than Windows, yet all my frequently used apps are there: Firefox, Thunderbird, LibreOffice and others. If you want to try Linux, no need to install to test it: just run from a Live Ubuntu USB, which likely would boot faster than from the HDD running Windows.

It sounds like it is the HDD. When it starts getting errors it spends a lot of time retrying to read the bad sectors. SO, take this as an early warning sign to save your data by replacing it with another SSD.

Volume C: (\Device\HarddiskVolume3) needs to be taken offline to perform a Full Chkdsk. Please run "CHKDSK /F" locally via the command line or run "REPAIR-VOLUME drive:" locally or remotely via PowerShell.

I think this used to be called Prefetch or Superfetch.My boot time dropped from 10 minutes to 3 minutes.I too have just an HDD (and agree with everyone elsethat an SSD would be much faster) and assume thatchkdsk shows that your HDD is fine.

This happens to me constantly, and I agree it's aggravating. The way I normally investigate this is to launch Task Manager (Ctrl + Shift + Escape), go to the "Details" tab, and add the column named "PF Delta". This will tell you how many times a program tried to access something that wasn't in memory and had to go out to the hard drive to get it (a page fault). I find this works better if you select View -> Update Speed -> Slow. I usually see a small handful of programs that are throwing huge numbers of page faults and the rest are close to zero. Those few programs are what are hammering your hard drive and bringing the system to a crawl. Some programs might appear under a generic name, but adding the "Command Line" column can provide more details as to what exactly is running.

99% of the time, the culprit is something that's trying to auto-update itself. Update routines rarely throttle themselves, run invisibly in the background, and generate a lot of disk traffic. If your system ends up with two or more update routines running at the same time, the resulting traffic can cause hard drive thrashing (where the drive spends all its time seeking back and forth and very little doing data transfer).

Take a look at your system the next time this happens and see if you have several update tasks running. Windows Update is normally one of the culprits (wuauserv service). The Edge browser is frequently another culprit that I see, as are security/antivirus programs.

After start, open Task Manager, click on Details and see whether there is any CompatTelRunner.exe process running. There should be 2 (sometimes 3) instances. Kill them all (actually, killing one usually ends the other one too if you pick the right one).

Note 3: as others suggested, a lot of things happen after the start (prefetch, AV scan, ...). Telemetry might not be the only reason for your problems. But from my experience, it has the biggest impact.

My CPU usage is always at 90% or 100%. But when I open task manager, after a couple of seconds it drops to 30-50%. Suspecting malwares, I started a new topic here (link below) but after several steps/fixes, there were no malwares identified in the system. The staff recommended me to create my own topic in this forum to see if its Windows related.

It sounds like it is most likely some kind of idle task and/or conditional scheduled task executing in the background and when you launch Task Manager (or likely any other new active/primary process) the background task subsides until the system is in an idle state again. When this occurs, are you seeing any network/bandwidth usage by any chance? The reason I ask is because it is possible that it is something like Windows Update running in the background when the system isn't active. Another possibility would be something like the built in search indexer or an antivirus if you're using a third party AV that perhaps performs a background scan whenever the system is idle (Kaspersky has a function like this and I believe a few other AVs do as well).

As part of the previous post, I was asked to uninstall Kaspersky which I did. But the behavior is still the same. No, there is no spike in network/bandwidth usage when the CPU is at 100%. Please note that that the "system is not idle". Even when I have a few simple applications open like (word, excel, etc.) it shoots up to 100%.

Thanks. You appear to have quite a lot of programs configured to run in the background on your system, and it is likely one of those that is causing the spikes in CPU/resource usage. We'll start by cleaning some things up and disabling some things that you likely don't really need to have running in the background all the time.

First, I noticed that you have Malwarebytes scheduled to scan your system every hour. This is definitely excessive and a major waste of resources. I would suggest changing your schedule to once per day or even once per week, as the real-time protection in Malwarebytes should prevent most if not all threats that a scheduled scan might detect anyway.

Next, I would recommend disabling all of the background monitoring and automatic cleaning functions in CCleaner. Generally cleaning out temp files, browser caches and all the other stuff that CCleaner and tools like it remove can be good for privacy and system performance, however having a tool like that constantly running in the background and monitoring and cleaning all the time will hinder system performance much more than allowing temp files to build up over time and cleaning them manually on a regular basis would so I would instead recommend disabling CCleaner from running in the background and simply using it once a day or once a week to clear out all your temp files etc. Instructions on how to disable it can be found here.

You mentioned that you removed Kaspersky, however I still see several active Kaspersky components on the system. Did you reinstall it? If not, then you should probably try and eliminate the remaining components. I would recommend using their removal tool which can be found here.

So that's a start, and while there are still a lot of items running at startup/in the background on your system, I don't want to do too much yet as I see you've already apparently done this using MSConfig and I don't want to damage anything by messing with your system too much (and just for future reference, using MSConfig as a startup manager is generally a bad idea as it is intended more as a diagnostic tool than anything; a dedicated tool like Autoruns is much better suited to this task, though caution should be taken no matter what is being used as disabling the wrong thing with any tool could cause major problems with a system).

When you launch Task Manager it will always start by showing 100% CPU usage - until it can monitor just what is actually being used, which only takes a second or so.
This ties in with what the OP is reporting.
Nothing is actually using 100% CPU, it's just a number that is being shown while it works out what your CPU usage is.

I can repeat this constantly here with my Winindows 10 1903-
Open Task Manager and it shows 100% CPU for the first second or two, then drop down to the actual level in use.
Close (not minimise) and relaunch Task Manager and it will again show 100% CPU and then drop down to the actual level in use.
And again, and again, for as long as you want to keep closing and relaunching it, it will always show 100% CPU when it is launched.

PS. I noticed something similar happening with this months Patch Tuesday updates.
If you watched them they started off showing 100% downloaded and then (after a while) dropped to the real figure, the same happened with 'installing' starting at 100% and then dropping to what had actually been installed.

Mine does not reach 100% it goes to about 55% on average for less than 2 seconds before it settles back down to about 2% average. I have to be quick on the screen capture to even grab it as it drops back down so quickly

That said, I still think there very likely is something causing background CPU spiking/resource usage on the OP's system, especially after looking at the Autoruns file that was provided. There are a lot of background processes, monitors and other tasks running in the background that very likely are eating available resources during normal operation. This is why I prefer to do my performance tuning/tweaking/cleaning/maintenance tasks manually on my own schedule rather than having programs constantly running in the background to manage it for me, because every added task that runs in the background constantly will consume that much more memory and that many more CPU cycles, taking away from the available power I have to throw at resource intensive applications that I might want to prioritize like running a game or encoding a video etc.

1. On the Malwarebytes scheduling: It's a tool I downloaded, installed and scheduled to run just for the last 1 week after I first posted on the other forum in an attempt to identify the malware causing high CPU usage. But this issue is something I am facing for more than 18 months I think. Anyway I have scheduled it to run only once a day.