Hi, this is a known side-effect of upgrading to XP, and whose only known cure is to remove and reinstall Hugs98. If that still doesn't do it, let us know. hth --sigbjorn ----- Original Message ----- From: ich bins! To: hugs-bugs@haskell.org Sent: Wednesday, January 16, 2002 05:55 Subject: (no subject) after installing windows xp hugs hugs cannot be run anymore...it exits always with the error "Illegal character escape sequence "\W" " and a window pops up : FATAL ERROR: Unable to load prelude reinstalling did not help. thanx for answering:]tim