Bugger, sounds like something's wrong with the way your machine reads .chm files.
Here's an online manual for PE
http://www.downloadatoz.com/manual/pr/process-explorer/Overview.htmSorry but I just can't find one for vmmap. It's not as common, so it doesn't really surprise me. There's a number of programs that convert chm to pdf etc. They all seem to cost, except there's one in this list named CHM Decoder 2.1
http://www.freedownloadscenter.com/Best/chm-to-pdf-free.html