GPU overclocks with MSI afterburner were disabled. DISM full system check/restore health processes.Īll of these had found no problems, and after restarting in between tests, the problem had still preceded.ĭisabling of overclocks and cleaning of the PC: Malwarebytes Adware remover also showing no signs of viruses.Īfter these processes I had also assumed that perhaps Windows was corrupt so I ran the following Windows tests: Malwarebytes Rootkit scanner and remover of the C: drive, also coming up blank (thankfully). Malwarebytes Premium was also used to perform Quick and Full scans of my C: drive, both coming up clean as well. Bitdefender is my antivirus software of choice, I have performed 'Quick', 'System' and 'Vulnerability' scans of the entire C: drive, some taking overnight to complete. This problem arose out of nowhere, no known software has been downloaded recently, I use this PC mostly for CAD work and Gaming, and do not visit any sketchy sites.Īfter discovering this problem I had immediately thought it was a virus or trojan using my systems resources, so I had performed multiple virus and malware scans: However, after using Process Lasso to close the process the CPU usage returns to the normal idle operating load, and the problem does not reoccur until the PC is restarted. Using Process Lasso, I am able to navigate to the location of the program explorer.exe and it appears to be the same process located in the C:/Windows directory. Upon further investigation, and the use of the program Process Lasso to monitor running processes to avoid the use of task manager, it can be seen that the sneaky process using CPU resources is "explorer.exe" ran by the SYSTEM. As though the process were avoiding the task managers use. However, very weirdly when task manager is opened CPU usage and temperatures go to normal and stay normal until task manager is closed again. ![]() Upon starting the computer, I have monitored abnormally high temperature readings from my CPU along with the aforementioned high (100%) usage of threads on the CPU during idle operation. The process "explorer.exe" is using extremely high CPU resources on select threads continuously. Easily terminate any process (and all its sup-processes if necessary), boost the priority of any process to make it run faster, and much more.Hello everyone, I have been dealing with this problem for months now, and I really hope you guys can help me out! Process Explorer has many other interesting features. Here we can see that the counters.dat file used by iTunes is also being held by Explorer and QuickBooks: Here we see that iTunes (being run as a service with AlwaysUp) is using the “counters.dat” file:Īnd perhaps most useful of all, Process Explorer can help you track down which application is preventing you from deleting a file or folder! Choose Find > Find Handle or DLL… and search for the file by name. You can review all DLLs loaded, or even better, see all the files, registry keys and other objects locked by a process by viewing Handles for the lower pane ( View > Lower Pane View > Handles). You can start, stop, restart or even change the permissions of the Spooler service from the Services tab:īack on Process Explorer’s main screen, summon the Lower Pane ( View > Show Lower Pane) for some serious detective work. ![]() ![]() For example, here is what is shown for spoolsv.exe, the Windows Print Spooler: All Windows Services run under the wninit.exe > services.exe branch:ĭouble-clicking an entry allows you to dig into a specific process. The interface automatically refreshes itself every few seconds to highlight processes as they come and go. When launched, Process Explorer shows a colorful tree of all the active processes. Think of it as the “Task Manager on steroids”, with the ability to show all processes, threads, handles, and of course, Windows Services running on your PC. If you want to understand what’s really going on with the programs on your computer, then look no further than Microsoft’s excellent (and free) Process Explorer.
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