CPU problem or a virus?

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My PC has started to run really slowly and I have ran AVG, Spyware etc... which isn't coming up with anything out of the ordinery other than the usual low rosk threats. No trojans etc... I have noticed in task manager that the CPU is nearly always heading towards 100% and as well as the green line it also has a red line constantly their as well. Can anyone suggest anything?

 

maybe a memory leak from an application.. are you running Firefox? cause mine if i open too many tabs takes my CPU through the roof!

 

The top processes are:-

iexplore 66,500K
pcts Svc.exe 24,748K
System 15,632K
msimn.exe 13,560K

There are 64 processes running

 

Ummm... How old is this PC, what O/S is it running and what are the specs (CPU, RAM etc)

 

I had it built in 2003 as follows:-

ATX midi tower case
ATX Pentium 4 motherboard
Intel Pentium 4 2.4Ghz CPU
512Mbyte DDR memory expandable to 3Gbyte
128Mbyte AGP Ge-Force video graphics board with video out
80Gbyte Ultra DMA Enanced-IDE Hard Disk Drive

I'm running Windows XP but don't use Windows update

 

why dont you use windows updates?

 

same reason i dont infact i have been running my own systems MINUS updates always! anw back to the topic.. is your hard drive near full? does this happen often? it actually could be anything right now mate..

 

There's 30Gb left and I have a 150GB exteral hard rive which has 1.7GB spare. When the problem started it was pictures that were slow to appear when I opened web pages. Now everything is slow, even if I click omn My computer it takes up to 10 seconds to open up. It's almost as if it freezes while it thinks about it. It looks to me as if everything I do puts loads of pressure on the CPU. I was wondering if the CPU could be the problem?

 

What's the CPU usage? You've given us the mem usage.

 

Ah! try
uninstalling any old / unused applications
CCleaner
and WinDirStat to see what else is hogging up the space!

 

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Expandable to 3GB - has it actually got 3GB of RAM or are you still running with 512Mb...

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Give me a (good, valid) reason why not

 

Step 1

Step 2

Step 3
Defragment the hard disk

Step 4
Use windows update to install all the updates you're obviously missing.

 

yep you need updates you maybe missing vital patches for security and the integrity of your system could have been breach