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Win 10 sometimes very sluiggish, other times very quick.
This is not either of the computers in my profile so here's some specs
A large part of the time, this computer operates quickly and well. A couple of seconds to open Firefox or Chrome to the home page. Programs such as Open Office, ACDSee, Photoshop and Acrobat Reader open quickly, within a few seconds... no more than five. It will operate like this for hours on end, then suddenly, its like its got a bear on its back. Programs start taking 45-90 seconds to open - CTRL-Shift-Esc to takes up to a minute or more to open the task manager.HP Compaq 8300 Elite
RAM 16GB
System Drive C: Seagate Barracuda 250GB SATA HDD
Data Drive D: Seagate Barracuda 500 GB SATA Hard Drive
Windows 10 Pro 64 bit 22H2
The task manager shows nothing excessive going on - CPU, Memory and Disk are all low values, and Network shows nothing significant either. This state of affairs can remain for anything from 10 minutes to an hour, then just as quickly as it began, it ends... normal service resumed.
I have checked the task scheduler to see if there are any strange tasks running
I have tried running with the task manager always open, and sitting on the task bar but when the problem happens it takes a few seconds after I click on it to pop up, and when it does it remains blank for a few seconds. I was wondering if I might have a dying HDD, except that I haven't experienced any of the sort of stuff associated with a drive on the way out, such as overheating, crashes, BSODs, boot fails or data loss.
As you can imagine, it is very frustrating to have a machine that is running like a greyhound until all of a sudden, it turns into a sloth.