Tip & How-To about Microsoft Windows XP Professional With Servise Pack 2 (e8503040) for PC
This problem was reported by one of our readers that in spite of having a sufficient amount of RAM, he is running out of Virtual Memory and his Windows PC gives the following error:
Your system is low on virtual memory. To ensure that Windows runs properly, increase the size of your virtual memory paging file. For more information, see Help.
This is a common problem and you may have seen it if you are trying to open many heavy applications at the same time like Microsoft Office.
Let’s see what the causes are and what can be done at this stage.
Windows XP or Vista uses the concept of Virtual Memory that aims at providing the additional memory from the Hard Disk if most of the RAM of the computer is already occupied. This memory used from the Hard Disks is called Paging File. Windows reserve some part of the memory for this purpose only (this is one of the reasons why we see less memory than specified on the hard disk).
Virtual Memory also known as Page File or Swap File can be located at C:\pagefile.sys (it is system hidden and can be viewed if you Uncheck the option of “Hide Protected Operating System Files” inside Folder Options).
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Excel 2007 is limited to 2 Gigabytes of memory for the Excel process under Windows XP/Vista (Windows memory limit).
This 2 Gigabyte limit is a limit on the Virtual Memory address space. Virtual memory used by a process is larger than the working set memory reported by Windows Task Manager, so the amount of useable memory under Excel 2007 is considerably less than twice that of Excel 2003.
Because Excel 2007 (Excel12) also requires more memory to store the indexes to the increased number of rows and columns you may not be able to load larger workbooks under Excel 2007 than was possible under Excel 2003. Memory Fragmentation may also mean that it is difficult to make use of all of the available 2 GB of virtual memory.
Many of the individual memory limits listed below have been removed in Excel 2007.
Excel 2010 is available in 2 versions: 32-bit (2 Gigabytes of virtual memory) and 64-bit (8-Terabytes (which is 8000 Gigabytes of virtual memory)).
The 32-bit version has the same memory limits as Excel 2007, but the 64-bit version, when used with a 64-bit Windows operating system, will have extremely large memory limits.
Note that the different versions of Windows Vista 64-bit and Windows 7 64-bit support differing amounts of RAM.
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