New build - no idea how to diagnose problem

Microsoft Windows 7 home premium 64-bit
April 1, 2010 at 23:31:45
Specs: Windows 7 Home Premium 64-bit, Intel Core i7 920 2.66GHz / Corsair 6GB 3x2 1600C9 XMS3
Hi all,
I recently put together a new computer, spending quite a bit of money on it but as it is at the moment my 5 year old computer was better :/ I'm fine putting the computer together, but damned if I know where to start with a completely new build to diagnose this problem.

Basically, the problem mostly rears its head when I download anything, be it on usenet, a sharing site or even streaming from youtube the computer just stutters to a complete stop and become unusable, if for example i'm streaming a vid on youtube firefox/ie will become unresponsive for 20 seconds or so, then kick back in again, video plays for 10 seconds, then unresponsive again.
Also if i'm doing work in photoshop the computer will again stutter frequently.

I have a sidebar gadget running showing cpu/ram usage - an example, right now all I have running is firefox and my cpu is at 1-3%, my RAM usage however is at 38% and never seems to get lower than that -- not sure if that's relevant.

Any help much appreciated!

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April 2, 2010 at 00:09:28
as it sounds to be totally internet related, switch off any firewalls apart from windows firewall, switch off any site checking programs, any downloaders, in fact stop any programs other than the basic windows 7,
if you still have this issue, my suggestion would be a complete reinstall of win7 on another partition (30 mins install) boot into that, and see if the problem is still there, if you do not have the problem then you know, you have some kind of infection or a program is blocking your internet activity,
i recommend only win7 firewall and Ms security essentials.
let us know if this helps.
it may also something simple like buffering, or a slow internet connection...
this is just the way i begin to check such issues.

i hate computers!
but cant help myself....

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April 2, 2010 at 00:12:56
sorry i missed the bit about photoshop, that sounds like you may have a bad memory stick, try memory tests, try running all variations 1 stick, 2-3-4 etc etc, see if you can isolate a bad stick,

i hate computers!
but cant help myself....

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April 2, 2010 at 01:33:03
Your CPU and RAM usage figures are quite normal. I suggest you run CHKDSK /F /R at the command prompt with admin rights and then SFC /SCANNOW. You should also scan your system with an antimalware product, such as superantispyware or malwarebytes.

You should not run more than one AV and Firewall at the same time with real-time scanner on ( just an advice. I do not know if you do ).

Hope this helps.



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April 2, 2010 at 21:34:14
I'm betting on a bad RAM stick. I just replaced a bad RAM, and when I first began it was as a hesitation. Then later it was a restarting and freezing of programs. Later it was windows itself recovering from an error, and just before replacing, a restarting of windows. Use Memtest to diagnose.

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