The task manager shows you the status of your computer.
It shows you what programs (processes) are running and how much of the CPU the are using.
I was concerned that one program may be running using up all your CPU time and slowing it down.
Look at this picture of the task manager as an example.
http://www.techarp.com/editorials/img/task_man ager_explorer.gif
Note the program at the top (foldtrajilte.exe). See it is using 95% of the CPU time.
The program underneath is using 3% and the next one 2%.
So if there was a problem with this PC I would want to know why one program is using 95% of the CPU time.
Now you need to look at your Task Manager and see what (in anything) is using up your CPU time.
If the CPU is doing very little then it displays a line saying "System Idle Process" and it is usually 95% or whatever (showing the CPU is 95% idle).
See this picture here, the line at the bottom is system idle process at 97%
http://support.kaspersky.com/images/support_ne w/taskmnager(en).gif
What you need to do is see what programs (if any) are running on your computer using CPU time. If a program has a zero against it then it is using NO CPU time.