Why is my PC's CPU always running at 100?

it is a acer netbook 1gb ram 1.6ghz processor etc. but the problem is that the cpu is always 100% and there is no way to stop it. it says svchost and pnh.exe are whats running extremely high usually one is at about 60-80% cpu while the other runs 0 and...

My CPU has been running at 100% for a while now. I thought it might be a virus that I could not get rid of or a hard drive problem, so I bought a new hard drive, installed it, and installed Vista on it. Since I put in the new hard drive, I have not connected...

In fact, normally the system shall be idle after computer start up and the system idle process will take 99% of CPU when nothing is running. But my situation is just opposite which causes my computer almost not functioning. If I terminate the system...

I have never had this problem before... atleast not to this point. My cpu ussage is very high latley and am not sure why. I am not running multiple programs or doing anything different then usual. example: if i am running just fire fox my cpu ussage...

svchost.exe, I found has been taking up all of my cpu usage, letting me not do anything else on my computer while it is running. To use my computer I must disable these processes. When i start up my computer, the computer trys to open a .tmp file each...

Physical Memory is at 55%. I looked at the processes and there are 72 running so I scrolled down and there is a process running called svchost.exe and it shows up 12 times! To me this seems like a virus. The memory some of them are using is 60,000 K...

I just got my old Windows XP PC running again. Right from start up I can see that the CPU is running at 100% and it stays that way. I learned that malware, too many processes and maybe excess heat can cause this. If you are work with computers and know...

Hi everyone, I has experienced recently blue screen crash and my computer forever to reboot (on a number of occassions) and it was almost impossible to open any programmes. And in the Windows Task Manager’s Process List I found dumprep.exe running...

I run Windows XP (Home Edition) on my system and frequently find that the number of processes running can be as high as 63, with the CPU usage rising to 100 percent and a commit charge of 943M/2313M. I should add that this happens with only two or three...