avrdude: ser_send()this type of error

This type of error shown while i try to load my program using windows XP and vista OS..... But the program is uploaded successfully using Windows 7 and 8 OS...... please help to solving this error..............

I am using a clone of arduino UNO board(http://www.embeddedmarket.com/products/Richduino-UNOBasic-For-Arduino-with-Female-Headers/). The vendor is also providing the driver(PS view bottom of the page). I tried installation with the given driver and comfortable with Windows 7 or 8..But as I try it with XP or Vista am frustrated and getting the error mentioned in the previous message.

Kindly help in solving the issue.

Regards VP