Why computer virtual memory low?

Users questions: My computer just opened machine speeds slow pace, until some time after the start is good, sometimes "too low virtual memory on your computer ......" Click OK after the Internet, chat QQ have not card. what is the reason? Is there any way you?
Experts answer:Windows virtual memory is to take A portion of hard disk space to act as memory usage, memory footprint when finished, the computer will automatically call the hard disk as memory, to ease the tension memory. Give an example, if the computer is only 128MB of physical memory, so that when reading a capacity of 200MB of files, you must use the ratio Large virtual memory, the file is read after the memory store will be first to virtual memory, waiting for memory to store all files to the virtual memory, the follow will be stored inside the virtual file released to the installation directory of the original is that virtual memory is hard disk, my computer right Properties Advanced Properties Settings Advanced change the virtual memory inside each drive's page file into 1000M, of course, you at least stay out of each hard drive so much space devoted to it to use.
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