If you are unable to view the System Five Help File by clicking the documentation button or by pressing F1 the following will resolve the issue:
REGEDIT4 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp] [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions] “MaxAllowedZone”=dword:00000003
See Entry Below: