Svchost.exe

My svchost.exe occasionally starts up and shoots up to 100% right after I load windows, but sometimes I can open up a firefox and it will go back down to 0%, and sometimes it still stays at 100%. Anyway attached are the services running under this svchost.exe. Are there any services that are either causing this problem or services that are pretty useless and I can disable to help prevent this problem?

if you want to know what is really running under SVCHOST.EXE, go to a command prompt and run:
tasklist /svc

Checking in Task Manager in Vista

You can right-click on a particular svchost.exe process, and then choose the "Go to Service" option.

(Xp & Vista)
You can use the excellent Process Explorer utility from Microsoft/Sysinternals to see what services are running as a part of a svchost.exe process.
http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx

You can also go to Start-> Run-> services.msc
And check out all the services running

Actually the image I attached is a screenie of process explorer, it shows the services that were running, I wanted to know if any of em were bad or I could disable permanently that wold help the situation.

Oh, I probably should have checked the pic first huh?

Here's BlackViper's page, gives a good table of services and startup options:
http://www.blackviper.com/WinXP/servicecfg.htm

auto update processes

if it's periodic, it's likely to be some AUTOUPDATE process.

use the Task Manager, click on the IMAGE title, and read for ***updat** in the name.

now go to your services.msc and disable that name.

also use Spybot S&D to locate Startup programs, looking for **updat** names
uncheck the [box] to disable it -- you can always come back and re-enable later