Virtual memory can be best explained as memory area supported by some operating systems to enlarge, the address space storing capacity of the hardware. When a large program is executed all the memory on the RAM (Random axis memory) might be needed for the particular program making it impossible to execute any other program. Virtual memory helps share the memory of the RAM with the memory on hard disk so that memory can be increased in size without need for physical addition of RAM. Virtual memory running low may be due to a number of reasons. These include physical RAM of your computer not being enough, too many programs running at same time, lot of cache remaining in system etc.
Following details mentioned below will give users information on how to avoid problems related to low virtual memory -
Addition of more RAM is the easiest way to avoid low virtual memory problems. If the computer is relatively old, the hardware might not be able to support the large requirement of modern day programs. Addition of RAM will also speed up the entire PC.
When there are a large number of computer applications running on startup virtual memory might become too low. Most of the programs are started up automatically which consume lot of the system resources, by editing the startup settings the number of programs running can be minimized thereby avoiding virtual memory problems.
Page file size is the actual size of the memory that will be allocated on the hard disk in place of RAM. So by increasing the page file size, more memory can be allocated which will prevent virtual memory problems.
Clearing of cache and temporary files reduces load on the system, ensuring that RAM problems do not occur. Periodic removal of cache and temporary files are recommended.
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