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-to open Task Manager, then click on the Processes tab. Place a check next to Show processes from all users. Scroll down and see if any of the processes is running at a high percentage of CPU usage. On a normal system at idle the System Idle Process should show about 98 percent, meaning nothing else is using the CPU. The next columns to the right, memory usage and peak memory usage, may also show something out of line if one process is using a large amount of memory. If you see anything showing high CPU usage or high Memory usage, make a note of it. -
Now, click the Performance tab. The key numbers here are in the Commit Charge box -- The Total and Peak figures; and in the Physical Memory box, the Total figure. Make a note of these three numbers. I would like to see them, but I can tell you what I'm looking for: basically, any time the Commit Charge exceeds the total physical memory, Windows is going to have to constantly swap data back and forth between the hard drive and the RAM chips. This is known as thrashing . So, the rule of thumb is, if your Peak Commit Charge is greater than your total Physical memory, your either need to (1) install more RAM or (2) reduce your commit charge by trimming down the number of running processes (which means programs and also optional Windows components).
I'm going to refer you to an excellent tutorial about service hosting, it also includes instructions for downloading a great tool for exploring your system.
Please read this tutorial carefully. Download Process Explorer according to the instructions and run it while you follow the tutorial. Be sure to expand the tree fully so you can see the CPU usage of each process. If the only things running on your machine are your browser (for reading the tutorial) and Process Explorer, then most of the time, except for momentary spikes when the program does something, System Idle Process should be showing about 95 to 98 percent. If you see that one of your svchost.exe instances has high CPU usage, even with the system at idle, then you should explore that process by viewing its properties as the tutorial explains. In addition, there's another trick you can use to get a copy of the services running under that process.
In the program taskbar, click View. Then select Lower Pane View, and choose DLLs. Then press
-Lto show the lower pane. Now, a request: please widen the columns in that lower pane so that all the words show in each column. That will make the file easier to read. Also please note which process was highlighted when the file was saved, the highlight will not show in the file. Now click File on the taskbar, then Save As, and save the file (svchost.exe.txt) to your desktop.
If by any chance none of the instances of svchost.exe is the culprit, then scroll through the list until you find the process responsible. It might be a program (listed under Explorer in the lower part of the tree), programs are processes too. Whatever it is, highlight it and then save the file.
Post a copy of that file to your next reply here. Also answer my questions, and tell me what the PID of that Svchost.exe is (or the name of the process if it is not svchost.exe), and whether you had any trouble with carrying out my instructions. Also tell me (should have asked earlier) whether the slowdown coincided with any change to your computer. New software, a new piece of equipment, a Windows update, anything.
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