SharePoint shows no help

Problem: Click on the help icon in SharePoint, it opens a window but shows no help text.
Instead you see messages like:

-No Help Collection was found.
-Help content cannot be displayed. (Or similar in your language)

Solution:
Then you have to follow this resolution: http://support.microsoft.com/kb/939313/en-us

When you run the commandline (execution may take 10-15 min.)
hcinstal.exe /act InstallAllHCs
and you experience the error
Outcome code is: 256
you have run this code probably with not sufficient privileges to the database. Run this code with your farm admin account.