Hello, Here is a link to the same problem for another application: It says that the microsoft help system is corrupt and also gives sugestions= on = how to fix it. God luck / Ruben rjjournal.zapto.org > I checked the application set up for the file type as Anand suggested, an= d it is > exactly as he said his is set up. > = > = > >> Also double clicking on the file produces a strange error message > > > >It is usually helpful to provide the error message. > > > >What does it say? > = > Yeah you are right. have now fired it up. If I double click on = > "hlpMPLABICD2.chm" in the "C:\Program Files\Microchip\MPLAB IDE\ICD2" = > directory, then I get a message that says "cannot open the = > file:mk@MSITStore:C:Program Files\Microchip\MPLAB = > IDE\ICD2\hlpMPLABICD2.chm". This is on the machine where the software is = > installed. > = > If I now access that same drive from another machine, across a network = > connection, the other machine opens the file, and shows the index folders= in the > left hand pane, but the right hand pane shows "The page cannot be display= ed" for > any and all pages I have tried. Both machines have identical file options > settings for the *.chm file type. > = > I did a file search for CHM extensions, and all the files from multiple = > sources produce a matching error message on the system where MPLAB is = > installed. Accessing these same files from the other machine produces the = > same result as for the MPLAB help files (index but no content). > = > The second system can properly open CHM files on its own drives. > = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D Ruben J=F6nsson AB Liros Electronic Box 9124, 200 39 Malm=F6, Sweden TEL INT +46 40142078 FAX INT +46 40947388 ruben@pp.sbbs.se =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist