I was still using 2.066.1.
When I try to build using 2.067.0 or 2.067.1 I get:

Linking...
checkpoint(256)
--- errorlevel 1

with an "Unexpected OPTLINK Termination" popup which lists a bunch of registers.

I'm not sure how to proceed..

On Monday, 20 July 2015 at 13:16:43 UTC, Lemonfiend wrote:
> I was still using 2.066.1.
> When I try to build using 2.067.0 or 2.067.1 I get:
>
> Linking...
> checkpoint(256)
> --- errorlevel 1
>
> with an "Unexpected OPTLINK Termination" popup which lists a bunch of registers.
>
> I'm not sure how to proceed..

First, try this: https://github.com/CyberShadow/DustMite/wiki

It will minimize your code to isolate the problem.