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When i am using all my 4 cores, its really slow to open any folders or even right click on desktop, or open any programs, and so on.

Is there any way to prevent my Windows 7 from using 100% of my CPU and use instead 99% so theres something left for my Windows 7 to run with?

Or any other ideas ? I dont remember this kind happening on older Windows machines, even when i had just one core back then, it never froze my system like this.

I had same kind problem when i used SSD harddrive (or broken HDD), but now i dont, and its not about that, my programs arent writing on disk at all, just bare calculations.

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What program are you running? That helps with troubleshooting. – surfasb Oct 1 '11 at 21:30
@surfasb, my own. – winuser Oct 3 '11 at 11:47
@surfasb, actually it doesnt matter what the program is, i simply want to avoid all possible freezing when all my cores are using 100% and the windows desktop etc doesnt get any of it. so i just want to give the windows a little CPU always – winuser Oct 4 '11 at 14:30
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i can think of a few - firstly manually assign affinities to those tasks from task manager, or alternately reduce their priority to below normal.

The first lets you have a core free. the second allows tasks with regular priority to happen first.

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i was thinking of something more automated method. – winuser Oct 1 '11 at 7:19
To automate the priority that a program runs at simply. use the Start command in a tiny batch file . like this . start /B "" /low "c:\program files\whatever program.exe" Make a shortcut to the .bat file, then click that shortcut to start the program. – Psycogeek Oct 1 '11 at 10:31
i was thinking a bit more automated system, so it wouldnt allow any program to exceed 100% except windows own stuff – winuser Oct 1 '11 at 10:48
Yes, that is how I interpreted your original question. There are many parts and pieces to the windows stuff, and I for one would hope that MS themselves never decides to finish thier takeover of my system :-) You Can mess with the OS to do that in various ways, but it leads to many issues and problems. The methods presented will work mostly , and will not cause any problems, and are very simple. – Psycogeek Oct 1 '11 at 13:04
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