The Reason Why Windows Virtual Memory To Low is due to the registry files becoming corrupted, or messed up. usually running out of virtual memory means that you are running too many programs at the same time for your system or one of them is attempting to use too much memory. You might also want to check out what's running by using your "Task Manager" or manage your Startup file in "System Configuration Utility".
Remember Than Download of Trial Software, Games, Screensavers, Apps, or Even Video Can Affect your file size and it Change the Setting of your System Registry. Due to Install/Uninstall the Program turns out for the wrong instructions in it. So, it will cause the computer to run slow, or in a worse case, crash and give you a blue screen error. if it this happen the computer is not sure what to do and this will really slow down the computer.
The Best Way is Add or Increase the Amount of RAM For Long-term Solution. Or Uninstall Any programs that not being concurrently in use by your computer. And last is increase your Page File in System Performance Option.
To Increase Page File In Windows XP
1. Click Start, right-click My Computer, and then click Properties.
2. In the System Properties dialog box, click the Advanced tab.
3. In the Performance pane, click Settings.
4. In the Performance Options dialog box, click the Advanced tab.
5. In the Virtual memory pane, click Change.
6. Change the Initial size value and the Maximum size value to a higher value, click Set, and then click OK.
7. Click OK to close the Performance Options dialog box, and then click OK to close the System Properties dialog box.
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What is Paging File in Windows XP?
Paging is an important part of virtual memory implementation in most contemporary general-purpose operating systems, allowing them to use disk storage for data that does not fit into physical random-access memory (RAM).
An Overview,The main functions of paging are performed when a program tries to access pages that are not currently mapped to physical memory (RAM). And it cause your system to virtual memory low. This situation is known as a page fault .