I suspect this only happens if breadcrumbs are displayed.
It seems to be some script in the wstopics.js file that truncates the file name at the end of "bc-" ...
If anyone knows what to modify in the JS file, I'd rather do that than change the file names.. (Sounds crazy but its true.. I have a stream of files coming in, to be published into web help).
I am not seeing it truncate the filename but the help is showing the content of the root of the output for the bc-petersfile.htm topic rather than the topic itself. That lists the filename correctly and if clicked, the topic displays. Windows Explorer shows the full filename.
I cannot help you with editing the script and hope someone else can. Meantime I think you will know what is coming next.
Please follow this link.
See www.grainge.org for RoboHelp and Authoring tips
Please see my response in the following thread: http://forums.adobe.com/message/4162604#4162604
Please note that if you follow the advice in my post, you may break your breadcrumbs.