I know this sounds strange (believe me, it was hard to nail down the problem), but when I have the 7.x-1.0 version of coder in the sites/all/modules folder - even if the module is not enabled - when I try to go to the modules list page, my browser goes to "The connection was reset" error page. If I move coder out of the modules folder, I can view the modules list as usual. I even tried it with NO other modules in the sites/all/modules folder - only a minimal Drupal install. This is very consistent.
WAMP 2.2, which includes:
I reverted back to the 1.x-dev version I had installed prior to the release of 1.0, and it works fine. Note that I did NOT download the latest 1.x-dev from the project page because I figured it was the same as or later than the 1.0 version.