I tried to compile the following little program (hallo.hs) with ghc-5.04 --make -prof -auto:

We have some problems with profiling on Windows in 5.04. At least one bug has been tracked down and fixed, and we'll try to make sure that profiling is working properly for 5.04.1. Sorry I can't offer any workarounds, other than to try using a Unix box of some description to do your profiling on. Cheers, Simon