Uploading Error

Hi

I use Arduino MEGA 2560 Board

I try analogin serial monitor communiication , its work very good (Sample Programm - Analoginput)
it works nice , But two days after it gives fallowing error

avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_getsync(): timeout communicating with programmer

now I cannot down load any programm , its show above error messgae , any body can help me.

regards

Uditha

I'm having this same issue. What OS are you seeing this issue on? On Windows 7 (64 bit) everything works but if I'm on Ubuntu (32-bit) through a VM, I get this same error. No articles have been helpful.