How to Fix - Physical Memory Loss?

Physical Memory Loss

My Compaq PC has been slowing drastically for approximately two weeks. 
I haven’t installed any new software but
ensured Windows and MacAfee up-dates installed.  Initially I thought Photoshop CS5 was causing the problem but slowing still happening without opening Photoshop. 
The PC starts without any problems but slows within 20 -30 minutes with very little open, eg only Outlook or the Internet.
Looking at the Resource Monitor WDFME.exe looks like it might be causing the problem and eating all the memory, I have no idea what this is, does anyone?  Don't want to delete in case it is vital.  A wild guess - I have a WD My Passport back-up hard
drive.
 
PC information:
AMD Athlon™ II x 3 435 Processor
C: 585.67 GB (404.64 GB Free)
D: 11.4 GB (1.62GB Free
System Memory 3GB
Graphics: Nvidia GeForce 6150se nForce 430

Keys to the Problem Physical Memory Loss

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Donna
In Windows 7 use Ctrl+Shift+Esc rather than Ctrl+Alt+Del.
It gets you to Task Manager quicker.
When the computer locks select Task Manager, the Performance tab, Resource Monitor, and Memory tab.
What are the figures for Hardware Reserved, In Use, Modified,
Standby and Free?
Is your Windows 7 32 bit or 64 bit? How much RAM is installed?
Your problem could be McAfee.

Open Action Center by clicking the Start button Picture of the Start button, clicking Control Panel, and then, under System and Security, clicking Review your computer's status.

Make sure your computer has at least the minimum amount of random access memory (RAM) required to run the program that is displaying the error. Look for the program requirements online or in the packaging information.

Another Safe way to Repair the Problem: Physical Memory Loss:

 

 

How to Fix Physical Memory Loss with SmartPCFixer?

1. Click the button to download Error Fixer . Install it on your computer.  Open it, and it will perform a scan for your system. The errors will be shown in the list.

2. After the scan is done, you can see the errors and problems which need to be repaired.

3. When the Fixing part is done, your computer has been speeded up and the errors have been fixed

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