Compiling error

Using Arduino Installation & Troubleshooting
#1

Hi, I got strage errors from arduino. When I try upload some sketches (ISP, Labview interface, some of my programs) to arduino it show big error message:

1021×741 156 KB

but if I download fresh arduino software it works, but only ONCE...

#2

quincy:
When I try upload some sketches (ISP, Labview interface, some of my programs) to arduino it show big error message:

Is the error message the same regardless of which sketch you are trying to upload?

Is the first error message always this...

optiLoader.pde:85:24:error: optiLoader.h: No such file or directory

#3

no error is different, depend on program, for labview:

744×258 35.6 KB

but with fresh arduino software i upload ok, but only once

#4

quincy:
no error is different, depend on program, for labview

Pick one sketch to get working.

#5