CPU usage increases after the startup

Question

have a sony vaio, i7cpu,  q 740 @ 1.73 ghz, 4 gb memory, running win 7 service pack 1, 

the problem, after start up cpu useage approx 5 - 20 % , memory -- 50% ish.

just left running , after couple of hours memory 95% use.

what to do and where to start?

biggest users   mcshield, exe      system    mem   - 333254k   Mcalfee on access scanner service

WDFME,exe         system               -  303230k  WD file management engine     - why running ? external drive not connected.

help please, before i get a bigger hammer,

cheers and a happy holiday

tom

Original title: memory being used

Answer 1

Hello Thomas,

Thank You for the quick reply.

1. Did the above mentioned steps helps in resolving the issue?
2. When you say" locks up computer if any thing is tried", Does the computer freezes?

If the computer is freezing then, try to refer to the steps mentioned in this link:

http://support.microsoft.com/kb/2681286/en-us

Anti-Virus Disclaimer (Running Microsoft Safety Scanner): Any data files that are infected may only be cleaned by deleting the file entirely, which means there is a potential for data loss.

If not then please reply to this response and update us with the status of the issue and we will be happy to help you again.

Thank You

Answer 2

thank you for your reply, sorry i possibly didn't make it clear, the CPU usage dosn't really change the memory in use increases until it basically locks up computer if any thing is tried, 

thanks

Tom

Answer 3

Hello Thomas,

Thank You for posting your query in Microsoft Community.

I understand that you have problems after the Windows startup the CPU increases the usage percent. So, try to follow the steps mentioned below to fix the issue.

Method 1: Boot the computer in clean boot state and try to install the update.

Putting your system in Clean Boot state helps in identifying if any third party applications or startup items are causing the issue. You need to follow the steps from the article mentioned below to perform a Clean Boot-

How to perform a clean boot in Windows http://support.microsoft.com/kb/929135

Note: Refer "How to reset the computer to start as usual after troubleshooting with clean boot" under more information to reset the computer to start as normal after troubleshooting.

Method 2: If the above doesn't help then try****to end the process and check if that helps.Please follow the below mentioned link to do the same.

http://windows.microsoft.com/en-my/windows/end-process#1TC=windows-7

Method 3: Also try Diagnosing memory problems on your computer by following the link below:

http://windows.microsoft.com/en-gb/windows7/diagnosing-memory-problems-on-your-computer

Additional Information:

Open the System Maintenance troubleshooter

http://windows.microsoft.com/en-US/Windows7/Open-the-System-Maintenance-troubleshooter

Optimize Windows for better performancehttp://windows.microsoft.com/is-is/windows/optimize-windows-better-performance#optimize-windows-better-performance=windows-7

Hope this helps.

Thank You