Is it bad if CPU runs at 100% for about 10 minutes?

Arterus

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Oct 16, 2009
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So I have a 3750k OC to 4.3 and I was running a program and I thought I minimized it but couldn't find it on the task bar. So I reopened it, then I minimize it again and continue browsing the Web. I repeat this over and over then I notice my CPU is at 100%. It's never that high. My lack of sleep forgot this program minimize to the quick launcher. It was running at 100 % for around 10 minutes. HWmonitor said my cored were in the 64-70 degrees Celsius range. Is my CPU fine? It did get pretty loud under load*
 
Solution
seladon is right.

load isnt bad for a cpu. 100 percent is fine. what is bad is heat, which comes with load. your heat is fine though.

everything is fine.