try mo po e settings yung sa virtual memory mo po,.
go to computer icon ,right click,co to properties,go to advance tab,tick mo yung performance settings,goto advance tab again,makikita mo jan yung virtual memory,then tick mo yung change,select custom size, change value mo yung intials size at yung sa maximum size,then tick mo yung set,then ok.
then restart mo po,..
done,..
good lack,.
note: kung di mo po masyadong masundan ang trick ko,
nanjan po si mr.google
http://www.google.com.ph/firefox?client=firefox-a&rls=org.mozilla:en-US:official