1
vote
1answer
51 views

Software to do specific CPU load test [closed]

For the purpose of testing my own script that reports CPU usage I'm looking for a program to put CPU under a certain workload, for instance: 10%, 20%, etc. up to 100%. Is there a program that can do ...
0
votes
2answers
110 views

Sometimes when I check my CPU usage, my 2nd CPU (#1) is stuck going around 90% while the others are around 20% max

i have checked the 'affinity' of all my processes and all of them are set to all CPUs, yet I check my CPU usage and my 2nd CPU (it's called #1 because my first CPU is #0) is jumping around 90% and ...
0
votes
1answer
200 views

Skype makes my processor thrash at about 25% and my fan stay on

When I start Skype, task manager shows skype.exe constantly using 25% CPU and the fan on my laptop comes on and stays on. My default browser is Chrome. How can I stop this happening?
0
votes
1answer
118 views

Mystery processes maxing CPU Usage

I have recently re-installed Windows 7 following a BSOD incident and I have noticed the CPU usage maxing out occasionally when I am not doing very much (not when it has recently started up). When I ...
0
votes
2answers
4k views

svchost.exe using lots of memory slowing my PC down [duplicate]

On my Windows 7 32-bit. svchost.exe is using lots of Memory and slowing my PC down big time. I already have auto update turned off and it is on manual mode. How can I fix this problem? Thanks
1
vote
1answer
269 views

Is disabling the Windows 7 Desktop window manager a bad idea?

I'm thinking about disabling the dwm.exe process. It seems that I can do fine without the fancy feature of [Wind]+[Tab], and am generally needing to cut memory. Does it have unintended side-effect?
1
vote
0answers
101 views

Windows unresponsive, CPU utilization uninformative

In many situations my Windows 7 box becomes unresponsive, but the Task Manager shows 0 CPU utilization for all processes. Obviously it is the kernel/Windows itself that is sucking all the cycles and ...
3
votes
0answers
2k views

High CPU usage by dwm.exe when nothing is happening

Setup: Windows 7 Ultimate, running in a VMware box inside Windows 8, VMware Tools installed; VMware Workstation is the only application launched in win8). Aero is on. Starting a few months ago, on ...
0
votes
0answers
936 views

Constant CPU usage from services.exe, restarting a particular service fixes it, why?

I've always noticed steady usage of my CPU from 'services.exe', typically from 1-4%, constantly throughout the day. If I enable the CPU Time column and sort the processes, I can see that over time ...
0
votes
0answers
128 views

Sudden drop in CPU - unclear root cause

Trying to diagnose why my computer suddenly comes to a CPU standstill (somehow related to plugging in the computer to power packs / recharging). One thing that has prevented me from diagnosing the ...
1
vote
2answers
1k views

Media player classic starts at boot up CPU 100% not listed in msconfig. What is going on?

Every time I boot windows, media player classic starts running in the background (no actual MPC window opens) and hogs the CPU at 100% until I kill it. In process explorer the parent is explorer. I ...
0
votes
2answers
231 views

CPU hitting 100% when flash or game is running after dropping laptop

I have a quad core Lenovo with 8GB memory running windows 7 x64 with NVidia quadro 880 Everything was working great until one day I would be playing a game and the CPU would max out for a few ...
0
votes
1answer
488 views

CPU usage doesn't add up

My computer has been acting a little wonky today (it's been running a little slow), so I decided to open up the task manager to look at CPU usage. Why does the top CPU usage not add up to the total ...
2
votes
1answer
125 views

Max CPU on everything

I just reinstalled windows 7 ultimate 32 bit on my desktop PC, and it seems like every program I try to run maxes one of my CPUs! its ridiculous! Every time I load a web page in any browser it maxes a ...
0
votes
0answers
33 views

rundll32.exe : infected examples pushing cpu to %100 . Malware bytes couldnt detect it niether could Win Def how do i fix it [duplicate]

My laptop is almost useless. The rundll32 application is infected with malware. I have tried several malitious software removal tools all for nought.
1
vote
2answers
1k views

How can I get a program to use slightly less CPU?

There's a program I run all day that does chess analysis. It's causing my computer to run consistently at 100% CPU Usage (According to Windows Task Manager), but despite this my computer seems to run ...
1
vote
5answers
5k views

how can force a prgram to use all of CPU capacity?

I have Windows 7 And a Intel Core-i5 CPU (4Thread) some programs like Firefox, only use up to maximum 25% of All CPU(only 1 Thread) And some programs like Winrar, use up to 100% of All CPU Can ...
1
vote
2answers
734 views

Is there a program that can pause another program?

Here is whats bothering me. For example, I play two games, Assassins Creed and MW3. When my friends call me to play MW3 I minimise Assassins Creed to go and play MW3. But Assassins Creed still ...
0
votes
1answer
255 views

100% CPU in QuickTime H.264 decoder on Windows on Win7, except when using XP compat. mode

I have a Windows program that uses the Apple QuickTime API to play video. On Windows 7, CPU usage is 100% on one core, which I believe is why the playback is choppy. If I turn on XP compatibility mode ...
2
votes
1answer
8k views

High CPU usage by 'svchost.exe' and 'coreServiceShell.exe'

I am having a laptop running on Windows 7 Ultimate 32-bit. Since past few days, my laptop is facing a serious problem. Whenever I connect to Internet, either svchost.exe or coreServiceShell.exe or ...
1
vote
2answers
2k views

Computer experiencing slowdowns and lockups despite low cpu useage

My setup... i5-2300 nvidia gtx 550 ti 6 gigs ram 600 w ocz modular psu I recently reformatted and I am already experiencing drastic slowdown as soon as windows comes up. This includes repeated ...
1
vote
3answers
3k views

Skype, Netflix, Minecraft causing CPU to be 100% and not go down without restart

This issue started about two weeks after replacing the broken motherboard on this computer. The new motherboard is an MSI. When it happens, things like Skype calls, Netflix and Minecraft seem to ...
0
votes
2answers
852 views

Are 1,000 threads normal for services.exe?

I noticed that my system is slowing down and services.exe often uses quite some CPU (around 10-40%), especially after waking up the PC. I find it hard to find out more about services.exe, and what is ...
3
votes
2answers
4k views

Intel Core i5-2467m - Turbo Boost not activating?

I have a Samsung Series 5 laptop with an Intel Core i5-2467m process @ 1.6Ghz. The processor supports Intel Turbo Boost up to 2.30 Ghz according to the specifications. The i5-2467m is a dual-core ...
0
votes
1answer
6k views

explorer.exe hogging CPU, slow folder browsing

My computer is snappy when I log in from a fresh reboot. Within a short while, it becomes almost unusably slow depending on what I want to do. In particular, any Windows-y actions are slow while ...
2
votes
1answer
140 views

How can I be alerted when a process goes idle (that is, its CPU usage reaches zero for a sustained period on Windows 7?

How can I be alerted when a process goes idle (that is, its CPU usage reaches zero for a sustained period on Windows 7? Essentially, I have a long running batch process that is pegging one of the ...
4
votes
2answers
814 views

What is causing sudden freezing during running real-time program?

So I run a high intensive (CPU/GPU) real-time program. During normal execution suddenly everything freezes for 1-4 seconds. I opened "Process Explorer" in the background to help gain insight and maybe ...
0
votes
1answer
725 views

CPU Usage 100% With No Explanation

I just recently switched my AV from Avast (subscription was up) and installed the Norton 2012 package provided for free from my ISP (Comcast) about two months ago. I use my HP G62, dual core, 2.1 GHz, ...
0
votes
1answer
5k views

My cpu usage increased to 100% and my computer works slowly after dis assembly

Yesterday, I opened the case of my computer and cleaned the cards and other devices. When I re-assembled the computer and powered it on, Windows 7 works very slowly and the CPU usage in the task ...
1
vote
3answers
937 views

How To Determine Which Tab In Internet Explorer Causes High CPU Usage?

I have high CPU usage in one of a few iexplore.exe *32 processes that i see in Windows Task Manager. Is there a way to identify which tab causing CPU spikes just like it is possible in Chrome? ...
1
vote
2answers
158 views

Distributed computing project? [closed]

I've tried seti@home and folding. But are there any other good ones that might have better luck actually making a difference? I don't want to contribute to a project that is going to use the results ...
1
vote
1answer
4k views

Program that logs the CPU usage in Windows 7 [duplicate]

Is there any program that logs the CPU usage of all programs? I want to know, over a period of one month, which programs use the CPU more intensely.
1
vote
0answers
711 views

Is Windows 7 throttling my CPU?

I am hoping someone with more experience in Windows 7 can help me out. I have written a php script that utilizes curl_multi to do some spidering. This script runs on an install of WAMP. I originally ...
0
votes
1answer
1k views

Synergy stopped working after a week on Windows7, high CPU usage and no connection

Used synergy 1.3.1 & 1.3.4 since 2007 without a hitch. Upgraded to Windows 7, and synergy suddenly stopped connecting after a week. Now any version I try (1.3.1, 1.3.4, 1.3.8, 1.4.5) goes into ...
0
votes
1answer
194 views

“svhost(netsvc)” is using about 40-80% CPU when the system starts

My CPU usage is constantly at 40% (maximum 95%) most of the time when I start my PC. It continues to work at this rate for about 15-25 minutes. I checked the performance monitor and found out that ...
0
votes
2answers
4k views

taskhost.exe uses a lot of CPU and does not quit

The executable taskhost.exe is running twice and one process takes more than 50% of CPU. It increases the fan noise and slows the computer down. When i end the process with task manager the computer ...
0
votes
2answers
175 views

Why the startup of a new application causes system stuttering

All modern operating system are supports multitasking. So, each running app would get a certain amount of time slice from cpu for their operation(depending on their demand). The questions is, if the ...
0
votes
1answer
324 views

How to prevent my Windows 7 to hang when running intense calculations on all cores?

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 ...
6
votes
3answers
3k views

CPU usage goes up while computer enters into screensaver/screen goes dark

Computer/Laptop: Lenovo T500 When I leave my PC, it turns off the display after X minutes. That's fine. However, since I use "Proccess Explorer" (SysInternals) there is a bit of a history in my ...
4
votes
2answers
2k views

Force specific CPU core usage in programs on Windows 7

Is there any way to force a program to run on cpu1 rather than cpu0 given that I know that there are at least two cores? I'm compiling C++ with code::blocks on Windows 7 x64
0
votes
1answer
867 views

Windows 7 , CPU usage hikes up to 100%

I am having this issue of lag in Windows 7 Professional, the CPU usage is 100%, even if I am only watching video on GOM player, nothing else is open, but the usage is 100%, or if I open Firefox/Chrome ...
3
votes
2answers
391 views

Windows 7 CPU usage after update

After windows 7 updated and restarted it shows 98-100% CPU usage in task manager. But, it doesn't show any heavy process or thread using it. Are they hidden processes that the task manager doesn't ...
15
votes
2answers
3k views

Determine which Opera tab uses 100% CPU?

Sometimes a tab gets stuck at using all CPU time it can get. I know theres a way to check which one for Chrome or Firefox -- is there a native method and/or extension to do this in Opera? Checking ...
7
votes
4answers
2k views

Why is my CPU usage broken in Process Explorer?

On my system (Windows 7), it seems that Process Explorer is reporting the wrong CPU usage: When Firefox is running, I constantly get 30%+ When I kill Firefox, I still get about the same CPU usage ...
-1
votes
3answers
1k views

Make Sleep/Hibernate Timer depend on CPU-user / download?

I am usually letting my (Lenovo, Win 7 Ultimate x64) laptop go to sleep after 15 mins, which is just perfect for me. With one exception: Is there a tool or other tweak, that would prevent going to ...
1
vote
3answers
8k views

Possible Virus? CPU usage always 100% and Can't Connect to SENS

I've had this error a while and I keep looking but can't find a solution. Problems: - Every time I start my computer it 'Cannot connect to system event notification service'. This means non admin ...
0
votes
1answer
704 views

Windows 7: Full usage of one CPU core by WmiPreSE for several seconds after resume or network changes [duplicate]

Possible Duplicate: Why does WMI Provider Host ( WmiPrvSE.exe ) keep spiking my CPU ? Every time my computer resumes from sleep, connects to a network, or disconnects from a network, one ...
5
votes
2answers
15k views

Windows 7 CPU usage high for Explorer.exe and DWM.exe

I'm using Windows 7 Ultimate. I get a problem with two processes: explorer.exe and sometimes dwm.exe. The two processes tend to have a CPU usage between 20-30%. It only occurs when I play games on my ...
0
votes
3answers
785 views

Limit user to one CPU core in Windows 7

I let my family members use my pc over rdp to play their flash-based games as their laptops overheat if they use them directly. I have it setup so I can use the pc at the same time as them. The pc has ...
3
votes
5answers
815 views

Why are my computer graphics twice as fast after I doubled my computer's ram?

I doubled my computer's RAM from 2 GB to 4 GB of 800 MHz DDR. Why would it make Windows 7 desktop animations twice as fast (2x) and all games twice as fast and unplayable? Is there any way to add my ...