[my secondlife viewer keep flashing light on the screen.how to fix it? need help please]

hello all, 

already a month i am playing second life. after i was update new patch. 

my second life viewer keep flashing light on the screen. 

how to fix it?

[uploading mesh at aditi]

failed upload : insufficient funds,

i was try upload mesh at aditi second life. but i got message from server " failed upload: insufficiend fund ........"

need help please.

[Insufficient funds ? in Aditi preview grid]

i need lindens to upload mesh in the aditi. gimme some plz