Sandcastle Help File Builder: Content Editor opens without functionality

How to restore a non-functional SHFB Content Editor by deleting corrupted configuration files and fixing malformed XML content files.

If the content editor of SHFB opens without any functionality then the configuration file is corrupt.

This is repairable through deleting the config-files under C:\Documents and Settings\[YOUR\_USER\_ID]\Local Settings\Application Data\Eric\_Woodruff\...

Sometimes an error occurred during opening content editor next time. In this case you must study the message. Often you have created a not XML-wellformed content file. Open your last used files with an other XML-editor and look for the place which is described in the message. After fixing the prob you must close SHFB, delete the config-file again and reopen your SHFB-project.