Memory (RAM) Error in Photoshop CS5

[armantaxi]

Hi...
* System :
- CPU : Intel E5300
- GPU : Power Color Radeon HD 5450 1Gb
- Mainboard : Elite Group G41
- Ram : Apacer 2Gb
- PSU : 450 Watts
- OS : Windows 7 Pro 32bit

* Yesterday i opened a high resolution doc (2x3 meters, banner size) with Photoshop CS5 and i tried to save it...an error appeared saying " you can not save your document as a copy because the amount of memory (RAM) is low "
what should i do now...please help

 

[rgd1101]

get more memory, or try upping the virtual memory.

 

[armantaxi]

If i increase virtual memory, does it effect system speed?

 

[rgd1101]

no. virtual memory use your HDD as memory, which is slower then real ram.

 

[armantaxi]

Thanks