At one point I god AtTiny working with the Arduino as an ISP programmer, but now its broken. After the 1.0.1 update, including 1.0.5, my boards list was reset. I would like to remove all the boards I don't have (Like the 4 or 6 arduino pro entries) since they fill the screen, (I can't see the ones on the bottom) and replace them or add the ATTiny cores. How would I edit these? Running Arduino 1.0.5 on Win7. I have Arduino installed in my Program Files(x86) folder.
I am having a difficult time understanding what your post / questions have to do with interfacing an Arduino to software on a computer. Did you put your post in the wrong section?