In task manager, you often see there is a process called Spooler Subsystem App using too much CPU or RAM in Windows 10. But you may have no idea what this spoolsv.exe is.
To educate you about the concept of spooler subsystem application and familiarize yourself with troubleshooting different issues relevant to this Windows 10 process, this post will focus on spooler.
Providing the case that you would like to learn about spoolsv.exe, just continue to get more details.
What is the Spooler Subsystem application?
Generally speaking, this queue subsystem application is responsible for printing and faxing work on Windows systems. And spoolsv.exe is its file form in Windows 10.
To be more specific, this spooler subsystem application controls the printing process when your printer is not available at the moment. And it will keep waiting until the printer returns to normal busy or offline. Every time a document is sent to the printer, the queue subsystem will cause it to wait in the print queue.
On the other hand, the queue subsystem application allows you to check the printers installed on your PC. Once you disable it, it is impossible for you to use this function to print.
Is the Spooler Subsystem app a virus?
For some people who meet the high CPU of spoolsv.exe, you may think of the way to disable this Windows process as your opinion spoolsv.exe subsystem application is virus. But, in fact, unless you are in C:WindowsSystem32 spoolsv.exe is safe on your PC.
In this way, to detect whether the queue subsystem application is a virus or not, just check its folder location in File Explorer. If you noticed that you can’t find the folder here, then something went wrong with this print queue.
How To Fix Windows Print Spooler Subsystem Application Error?
While it is normal, you can always notice spoolsv.exe high CPU in Windows 10 or high disk usage at the same time. When your PC experiences slow performance, it registers in the task manager, the spooler application is taking up a lot of your CPU or memory.
So, start to resolve Windows spooler high CPU error or any other spoolsv.exe related issues, for example disable spooler subsystem application Windows 10.
Solution 1: Run the Printer Troubleshooter in Windows 10
Why does the print queue use too much CPU in Windows 10? That is the question that haunts you for a long time.
At first, we suggest you run the printer troubleshooter to find out what causes print spooler service high CPU usage in Windows 10.
1. Go to Start > Setting > Update and security .
2 in Problem solving look for the printing machine and then press Run the troubleshooter .
After fixing your printer errors, Windows 10 will tell you what the spoolsv.exe problem is and will fix it for you if possible.
Then you can reopen task manager to see if the queue subsystem app is still occupying your CPU 100% in Windows 10.
Solution 2: End the spooler service
In addition to using the printer troubleshooter to help deal with the spooler error, you can also try stopping the spooler subsystem application spoolsv.exe service manually to check if it works for your problem. printing in Windows 10.
1. Press Windows + R to activate the box Run and then write services.msc in the frame. Finally press okay to continue.
2. Then in the window Services I searched Printer Spooler and then right click to stop This process.
3. Reboot your PC for it to take effect.
You can now view the queue subsystem application’s CPU or disk usage in task manager.
If you found that there is no difference after the print spooler service ended, it indicates that the service is working properly on your PC. In this regard, you can also choose to start the spooler service in the Services window.
Solution 3 – Disable Spoolsv.exe automatically
It is also accessible to end the Spoolsv.exe process automatically without trying your own hands. That is, you can use Advanced SystemCare to provide you with the Spooler service. More importantly, this tool can also allow you to set priority for the spooler service, whether it is high, low, or just normal.
1. Download install and run Advanced SystemCare.
2 in tool box click on ProcessManager to allow ASC to obtain it directly.
3. in IObit Process Manager on Services right-click on spoolsv.exe for finish the process .
In this regard, Advanced SystemCare will disable the Spooler service from running, thus fixing the Spooler Subsystem application error in Windows 10.
Solution 4 – Delete folders and files from the print queue
If stopping the spooler service does not solve the spooler subsystem application high CPU error in Windows 10, you also need to delete the spooler folders or files.
1. Double click this pc on your desktop to open it.
2. Then in this pc navigate to C: Windows System32 Spool Printers .
3. Double click on the folder PRINTERS to open it and then choose Get rid of all the files it contains by right-clicking on these files.
As you can imagine, these files are the history of printed documents, once you delete them, maybe the print queue does not use too much CPU or disk usage in Windows 10.
In a word, just like CompatTelRunner.exe error in Windows 10, this Windows 10 high CPU spoolsv.exe is also annoying. You’d better make the best use of the ways in this post to deal with the printing error.