◄Up► ◄Contents► ◄Index► ◄Back► ─────Programmer's WorkBench───────────────────────────────────────────────── Cannot open [<file>]: Invalid help file version The PWBHELP extension attempted to load the given Help file, but it is not compatible with this version of the PWBHELP extension. Remove the specified file from the directory or list of files given in the HELPFILES environment variable or the Helpfiles switch.