see Microsoft Knowledge Base Article
http://support.microsoft.com/kb/892675
A user reported that when he pressed F1 help key in his application the windows help system displayed a error page.
The problem was that Microsoft security patch had stopped the help system from working from a network share.
The fix is to disable the security patch by applying the following registry changes.
(If you save the code into a file ending in .reg you can click on the file to apply the change.)
- Code: Select all
REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\HHRestrictions]
"MaxAllowedZone"=dword:00000001
"EnableFrameNavigationInSafeMode"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions]
"MaxAllowedZone"=dword:00000001